Tag Archives: Name

cmdlet, Process, Wait

Wait-Process

NAME
    Wait-Process

SYNOPSIS
    Waits for the processes to be stopped before accepting more input.

SYNTAX
    Wait-Process [-Id] <Int32[]> [[-Timeout] <int>] [<CommonParameters>]

    Wait-Process -InputObject <Process[]> [[-Timeout] <int>] [<CommonParameters>]

    Wait-Process [-Name] <string[]> [[-Timeout] <int>] [<CommonParameters>]

DESCRIPTION
    The Wait-Process cmdlet waits for one or more running processes to be stopped before accepting input. In the Windows PowerShell console, this cmdlet suppresses the command prompt until the processes are stopped. You can specify a process by process name or process ID (PID), or pipe a process object to Wait-Process.

    Wait-Process works only on processes running on the local computer.

PARAMETERS
    -Id <Int32[]>
        Specifies the process IDs of the processes. To specify multiple IDs, use commas to separate the IDs. To find the PID of a process, type “Get-Process“. The parameter name (“Id”) is optional.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -InputObject <Process[]>
        Specifies the processes by submitting process objects. Enter a Variable that contains the process objects, or type a command or expression that gets the process objects, such as a Get-Process command.

        Required?                    true
        Position?                    named
        Default value
        Accept pipeline input?     true (ByValue)
        Accept wildcard characters? false

    -Name <string[]>
        Specifies the process names of the processes. To specify multiple names, use commas to separate the names.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Timeout <int>
        Determines the maximum time, in seconds, that Wait-Process waits for the specified processes to stop. When this interval expires, the command displays a non-terminating error that lists the processes that are still running, and ends the wait.

        Required?                    false
        Position?                    2
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.Diagnostics.Process
        You can pipe a process object to Wait-Process.

OUTPUTS
    None
        This cmdlet does not generate any output.

NOTES

        This cmdlet uses the WaitForExit method of the System.Diagnostics.Process class. For more information about this method, see the Microsoft .NET Framework SDK.

    ————————– EXAMPLE 1 ————————–

    C:\PS>$nid = (Get-Process notepad).id

    C:\PS> Stop-Process -id $nid

    C:\PS> Wait-Process -id $nid

    Description
    ———–
    These commands stop the Notepad process and then wait for the process to be stopped before proceeding with the next command.

    The first command uses the Get-Process cmdlet to get the ID of the Notepad process. It saves it in the $nid Variable.

    The second command uses the Stop-Process cmdlet to stop the process with the ID saved in $nid.

    The third command uses the Wait-Process cmdlet to wait until the Notepad process is stopped. It uses the ID parameter of Wait-Process to identify the process.

    ————————– EXAMPLE 2 ————————–

    C:\PS>$p = Get-Process notepad

    C:\PS> Wait-Process -id $p.id

    C:\PS> Wait-Process -Name notepad

    C:\PS> Wait-Process -inputobject $p

    Description
    ———–
    These commands show three different methods of specifying a process to the Wait-Process cmdlet. The first command gets the Notepad process and saves it in the $p Variable.

    The second command uses the ID parameter, the third command uses the Name parameter, and the fourth command uses the InputObject parameter.

    These commands have the same results and can be used interchangeably.

    ————————– EXAMPLE 3 ————————–

    C:\PS>Wait-Process -Name outlook, winword -Timeout 30

    Description
    ———–
    This command waits 30 seconds for the Outlook and Winword processes to stop. If both processes are not stopped, the cmdlet displays a non-terminating error and the command prompt.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=135277
    Get-Process
    Start-Process
    Stop-Process
    Wait-Process
    Debug-Process

cmdlet, Service, Stop

Stop-Service

NAME
    Stop-Service

SYNOPSIS
    Stops one or more running services.

SYNTAX
    Stop-Service [-Name] <string[]> [-Exclude <string[]>] [-Force] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

    Stop-Service -DisplayName <string[]> [-Exclude <string[]>] [-Force] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

    Stop-Service [-InputObject <ServiceController[]>] [-Exclude <string[]>] [-Force] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

DESCRIPTION
    The Stop-Service cmdlet sends a stop message to the Windows Service Controller for each of the specified services. You can specify the services by their service names or display names, or you can use the InputObject parameter to pass a service object representing the services that you want to stop.

PARAMETERS
    -DisplayName <string[]>
        Specifies the display names of the services to be stopped. Wildcards are permitted.

        Required?                    true
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Exclude <string[]>
        Omits the specified services. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as “s*”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Force [<SwitchParameter>]
        Allows the cmdlet to stop a service even if that service has dependent services.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Include <string[]>
        Stops only the specified services. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as “s*”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -InputObject <ServiceController[]>
        Specifies ServiceController objects representing the services to be stopped. Enter a Variable that contains the objects, or type a command or expression that gets the objects.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     true (ByValue)
        Accept wildcard characters? false

    -Name <string[]>
        Specifies the service names of the services to be stopped. Wildcards are permitted.

        The parameter name is optional. You can use “Name” or its Alias, “ServiceName”, or you can omit the parameter name.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByValue, ByPropertyName)
        Accept wildcard characters? false

    -PassThru [<SwitchParameter>]
        Returns an object representing the service. By default, this cmdlet does not generate any output.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Confirm [<SwitchParameter>]
        Prompts you for confirmation before executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -WhatIf [<SwitchParameter>]
        Describes what would happen if you executed the command without actually executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.ServiceProcess.ServiceController or System.String
        You can pipe a service object or a string that contains the name of a service to Stop-Service.

OUTPUTS
    None or System.ServiceProcess.ServiceController
        When you use the PassThru parameter, Stop-Service generates a System.ServiceProcess.ServiceController object representing the service. Otherwise, this cmdlet does not generate any output.

NOTES

        You can also refer to Stop-Service by its built-in Alias, “spsv”. For more information, see about_aliases.

        Stop-Service can control services only when the current user has permission to do so. If a command does not work correctly, you might not have the required permissions.

        To find the service names and display names of the services on your system, type “Get-Service“. The service names appear in the Name column and the display names appear in the DisplayName column.

    ————————– EXAMPLE 1 ————————–

    C:\PS>Stop-Service sysmonlog

    Description
    ———–
    This command stops the Performance Logs and Alerts (SysmonLog) service on the local computer.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Get-Service -displayname telnet | Stop-Service

    Description
    ———–
    This command stops the Telnet service on the local computer. The command uses the Get-Service cmdlet to get an object representing the Telnet service. The pipeline operator (|) pipes the object to the Stop-Service cmdlet, which stops the service.

    ————————– EXAMPLE 3 ————————–

    C:\PS>Get-Service iisadmin | Format-List -property name, dependentservices

    C:PS>Stop-Service iisadmin -Force -Confirm

    Description
    ———–
    The Stop-Service command stops the IISAdmin service on the local computer. Because stopping this service also stops the services that depend on the IISAdmin service, it is best to precede the Stop-Service command with a command that lists the services that depend on the IISAdmin service.

    The first command lists the services that depend on IISAdmin. It uses the Get-Service cmdlet to get an object representing the IISAdmin service. The pipeline operator (|) passes the result to the Format-List cmdlet. The command uses the Property parameter of Format-List to list only the Name and DependentServices properties of the service.

    The second command stops the IISAdmin service. The Force parameter is required to stop a service that has dependent services. The command uses the Confirm parameter to request confirmation from the user before stopping each service.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113414
    Get-Service
    Suspend-Service
    Start-Service
    Restart-Service
    Resume-Service
    Set-Service
    New-Service

cmdlet, Service, Suspend

Suspend-Service

NAME
    Suspend-Service

SYNOPSIS
    Suspends (pauses) one or more running services.

SYNTAX
    Suspend-Service [-Name] <string[]> [-Exclude <string[]>] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

    Suspend-Service -DisplayName <string[]> [-Exclude <string[]>] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

    Suspend-Service [-InputObject <ServiceController[]>] [-Exclude <string[]>] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

DESCRIPTION
    The Suspend-Service cmdlet sends a suspend message to the Windows Service Controller for each of the specified services. While suspended, the service is still running, but its action is halted until resumed, such as by using Resume-Service. You can specify the services by their service names or display names, or you can use the InputObject parameter to pass a service object representing the services that you want to suspend.

PARAMETERS
    -DisplayName <string[]>
        Specifies the display names of the services to be suspended. Wildcards are permitted.

        Required?                    true
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Exclude <string[]>
        Omits the specified services. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as “s*”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Include <string[]>
        Suspends only the specified services. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as “s*”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -InputObject <ServiceController[]>
        Specifies ServiceController objects representing the services to be suspended. Enter a Variable that contains the objects, or type a command or expression that gets the objects.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     true (ByValue)
        Accept wildcard characters? false

    -Name <string[]>
        Specifies the service names of the services to be suspended. Wildcards are permitted.

        The parameter name is optional. You can use “Name” or its Alias, “ServiceName”, or you can omit the parameter name.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByValue, ByPropertyName)
        Accept wildcard characters? false

    -PassThru [<SwitchParameter>]
        Returns an object representing the service. By default, this cmdlet does not generate any output.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Confirm [<SwitchParameter>]
        Prompts you for confirmation before executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -WhatIf [<SwitchParameter>]
        Describes what would happen if you executed the command without actually executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.ServiceProcess.ServiceController or System.String
        You can pipe a service object or a string that contains a service name to Suspend-Service.

OUTPUTS
    None or System.ServiceProcess.ServiceController
        When you use the PassThru parameter, Suspend-Service generates a System.ServiceProcess.ServiceController object representing the service. Otherwise, this cmdlet does not generate any output.

NOTES

        Suspend-Service can control services only when the current user has permission to do so. If a command does not work correctly, you might not have the required permissions.

        Also, Suspend-Service can suspend only services that support being suspended and resumed. To determine whether a particular service can be suspended, use the Get-Service cmdlet with the CanPauseAndContinue property. For example, “Get-Service wmi | Format-List name, canpauseandcontinue”. To find all services on the computer that can be suspended, type “Get-Service | Where-Object {$_.canpauseandcontinue -eq “True”}”.

        To find the service names and display names of the services on your system, type “Get-Service“. The service names appear in the Name column, and the display names appear in the DisplayName column.

    ————————– EXAMPLE 1 ————————–

    C:\PS>Suspend-Service -displayname “Telnet”

    Description
    ———–
    This command suspends the Telnet service (Tlntsvr) service on the local computer.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Suspend-Service -Name lanman* -WhatIf

    Description
    ———–
    This command tells what would happen if you suspended the services that have a service name that begins with “lanman”. To suspend the services, rerun the command without the WhatIf parameter.

    ————————– EXAMPLE 3 ————————–

    C:\PS>Get-Service schedule | Suspend-Service

    Description
    ———–
    This command uses the Get-Service cmdlet to get an object that represents the Task Scheduler (Schedule) service on the computer. The pipeline operator (|) passes the result to the Suspend-Service cmdlet, which suspends the service.

    ————————– EXAMPLE 4 ————————–

    C:\PS>Get-Service | Where-Object {$_.canpauseandcontinue -eq “True”} | Suspend-Service -Confirm

    Description
    ———–
    This command suspends all of the services on the computer that can be suspended. It uses the Get-Service cmdlet to get objects representing the services on the computer. The pipeline operator (|) passes the results to the Where-Object cmdlet, which selects only the services that have a value of “True” for the CanPauseAndContinue property. Another pipeline operator passes the results to the Suspend-Service cmdlet. The Confirm parameter prompts you for confirmation before suspending each of the services.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113416
    Get-Service
    Start-Service
    Stop-Service
    Restart-Service
    Resume-Service
    Set-Service
    New-Service

cmdlet, Command, Trace

Trace-Command

NAME
    Trace-Command

SYNOPSIS
    Configures and starts a trace of the specified expression or command.

SYNTAX
    Trace-Command [-Command] <string> [-ArgumentList <Object[]>] [-Name] <string[]> [[-Option] {None | Constructor | Dispose | Finalizer | Method | Property | Delegates | Events | Exception | Lock | Error | Errors | Warning | Verbose | WriteLine | Data | Scope | ExecutionFlow | Assert | All}] [-Debugger] [-FilePath <string>] [-Force] [-InputObject <psobject>] [-ListenerOption {None | LogicalOperationStack | DateTime | Timestamp | ProcessId | ThreadId | Callstack}] [-PSHost] [<CommonParameters>]

    Trace-Command [-Expression] <scriptblock> [-Name] <string[]> [[-Option] {None | Constructor | Dispose | Finalizer | Method | Property | Delegates | Events | Exception | Lock | Error | Errors | Warning | Verbose | WriteLine | Data | Scope | ExecutionFlow | Assert | All}] [-Debugger] [-FilePath <string>] [-Force] [-InputObject <psobject>] [-ListenerOption {None | LogicalOperationStack | DateTime | Timestamp | ProcessId | ThreadId | Callstack}] [-PSHost] [<CommonParameters>]

DESCRIPTION
    The Trace-Command cmdlet configures and starts a trace of the specified expression or command. It works like Set-TraceSource, except that it applies only to the specified command.

PARAMETERS
    -ArgumentList <Object[]>
        Specifies the parameters and parameter values for the command being traced. The Alias for ArgumentList is Args. This feature is especially useful for debugging dynamic parameters.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Command <string>
        Specifies a command that is being processed during the trace.

        Required?                    true
        Position?                    2
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Debugger [<SwitchParameter>]
        Sends the trace output to the debugger. You can view the output in any user-mode or kernel mode debugger or in Visual Studio. This parameter also selects the default trace listener.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Expression <scriptblock>
        Specifies the expression that is being processed during the trace. Enclose the expression in curly braces ({}).

        Required?                    true
        Position?                    2
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -FilePath <string>
        Sends the trace output to the specified file. This parameter also selects the file trace listener.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Force [<SwitchParameter>]
        Allows the cmdlet to append trace information to a read-only file. Used with the FilePath parameter. Even using the Force parameter, the cmdlet cannot override security restrictions.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -InputObject <psobject>
        Provides input to the expression that is being processed during the trace.

        You can enter a Variable that represents the input that the expression accepts, or pass an object through the pipeline.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     true (ByValue)
        Accept wildcard characters? false

    -ListenerOption <TraceOptions>
        Adds optional data to the prefix of each trace message in the output. The valid values are None, LogicalOperationStack, DateTime, Timestamp, ProcessId, ThreadId, and Callstack. “None” is the default.

        To specify multiple options, separate them with commas, but with no spaces, and enclose them in quotation marks, such as “ProcessID,ThreadID”.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Name <string[]>
        Determines which Windows PowerShell components are traced. Enter the name of the trace source of each component. Wildcards are permitted. To find the trace sources on your computer, type “Get-TraceSource“.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Option <PSTraceSourceOptions>
        Determines the type of events that are traced.

        The valid values are None, Constructor, Dispose, Finalizer, Method, Property, Delegates, Events, Exception, Lock, Error, Errors, Warning, Verbose, WriteLine, Data, Scope, ExecutionFlow, Assert, and All. “All” is the default.

        The following values are combinations of other values:

        — ExecutionFlow: (Constructor, Dispose, Finalizer, Method, Delegates, Events, and Scope)

        — Data: (Constructor, Dispose, Finalizer, Property, Verbose, and WriteLine)

        — Errors: (Error and Exception).

        To specify multiple options, separate them with commas, but with no spaces, and enclose them in quotation marks, such as “Constructor,Dispose”.

        Required?                    false
        Position?                    3
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -PSHost [<SwitchParameter>]
        Sends the trace output to the Windows PowerShell host. This parameter also selects the PSHost trace listener.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.Management.Automation.PSObject
        You can pipe objects that represent input to the expression to Trace-Command.

OUTPUTS
    System.Management.Automation.PSObject
        Returns the command trace in the debug stream.

NOTES

        Tracing is a method that developers use to debug and refine programs. When tracing, the program generates detailed messages about each step in its internal processing.

        The Windows PowerShell tracing cmdlets are designed to help Windows PowerShell developers, but they are available to all users. They let you monitor nearly every aspect of the Functionality of the shell.

        To find the Windows PowerShell components that are enabled for tracing, type “Get-Help Get-TraceSource.”

        A “trace source” is the part of each Windows PowerShell component that manages tracing and generates trace messages for the component. To trace a component, you identify its trace source.

        A “trace listener” receives the output of the trace and displays it to the user. You can elect to send the trace data to a user-mode or kernel-mode debugger, to the host or console, to a file, or to a custom listener derived from the System.Diagnostics.TraceListener class.

        When you use the Command parameter set, Windows PowerShell processes the command just as it would be processed in a pipeline. For example, command discovery is not repeated for each incoming object.

        The names of the Name, Expression, Option, and Command parameters are optional. If you omit the parameter names, the unnamed parameter values must appear in this order: Name, Expression, Option or Name, Command,-Option . If you include the parameter names, the parameters can appear in any order.

    ————————– EXAMPLE 1 ————————–

    C:\PS>Trace-Command -Name metadata,parameterbinding,cmdlet -Expression {Get-Process notepad} -PSHost

    Description
    ———–
    This command starts a trace of metadata processing, parameter binding, and cmdlet creation and destruction of the “Get-Process notepad” expression. It uses the Name parameter to specify the trace sources, the Expression parameter to specify the command, and the PSHost parameter to send the output to the console. Because it does not specify any tracing options or listener options, the command uses the defaults, “All” for the tracing options, and “None” for the listener options.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Trace-Command -Name commandprocessor,pipelineprocessor -command Get-Alias -argumentlist “ghy” -Option executionflow -ListenerOption “timestamp,callstack” -FilePath c:\test\debug.txt

    Description
    ———–
    This command starts a trace of the command processor and pipeline processor while processing the “Get-Alias cd” command.

    It uses the Name parameter to specify the trace sources, the Command parameter to specify the command, the ArgumentList parameter to specify the parameters of the Get-Alias command, the Option parameter to specify tracing options, and the ListenerOption parameter to specify the fields in the trace message prefix. The FilePath parameter sends the output to the C:\Test\Debug.txt file.

    ————————– EXAMPLE 3 ————————–

    C:\PS>$a = “i*”

    C:\PS> Trace-Command parameterbinding {Get-Alias $input} -PSHost -InputObject $a

    Description
    ———–
    These commands trace the actions of the ParameterBinding operations of Windows PowerShell while it processes a Get-Alias expression that takes input from the pipeline.

    In Trace-Command, the InputObject parameter passes an object to the expression that is being processed during the trace.

    The first command stores the string “i*” in the $a Variable. The second command uses the Trace-Command cmdlet with the ParameterBinding trace source. The PSHost parameter sends the output to the console.

    The expression being processed is “Get-Alias $input”, where the $input Variable is associated with the InputObject parameter. The InputObject parameter passes the Variable $a to the expression. In effect, the command being processed during the trace is “Get-Alias -InputObject $a” or “$a | Get-Alias“.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113419
    Get-TraceSource
    Set-TraceSource

cmdlet, PSSessionConfiguration, Unregister

Unregister-PSSessionConfiguration

NAME
    Unregister-PSSessionConfiguration

SYNOPSIS
    Deletes registered session configurations from the computer.

SYNTAX
    Unregister-PSSessionConfiguration [-Name] <string> [-Force] [-NoServiceRestart] [-Confirm] [-WhatIf] [<CommonParameters>]

DESCRIPTION
    The Unregister-PSSessionConfiguration cmdlet deletes registered session configurations from the computer. This is an advanced cmdlet that is designed to be used by system administrators to manage customized session configurations for their users.

    If you accidentally delete the default Microsoft.PowerShell or Microsoft.PowerShell32 session configurations, use the Enable-PSRemoting cmdlet to restore them.

PARAMETERS
    -Force [<SwitchParameter>]
        Suppresses all user prompts, and restarts the WinRM service without prompting. Restarting the service makes the configuration change effective.

        To prevent a restart and suppress the restart prompt, use the NoServiceRestart parameter.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Name <string>
        Specifies the names of session configurations to delete. Enter one or more configuration names. Wildcards are permitted. This parameter is required.

        You can also pipe a session configuration object to Unregister-PSSessionConfiguration.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -NoServiceRestart [<SwitchParameter>]
        Does not restart the WinRM service, and suppresses the prompt to restart the service.

        By default, when you enter an Unregister-PSSessionConfiguration command, you are prompted to restart the WinRM service to make the change effective. Until the WinRM service is restarted, users can still use the unregistered session configuration, even though Get-PSSessionConfiguration does not find it.

        To restart the WinRM service without prompting, use the Force parameter. To restart the WinRM service manually, use the Restart-Service cmdlet.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Confirm [<SwitchParameter>]
        Prompts you for confirmation before executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -WhatIf [<SwitchParameter>]
        Describes what would happen if you executed the command without actually executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    Microsoft.PowerShell.Commands.PSSessionConfigurationCommands#PSSessionConfiguration
        You can pipe a session configuration object from Get-PSSessionConfiguration to Unregister-PSSessionConfiguration.

OUTPUTS
    None
        This cmdlet does not return any objects.

NOTES

        To run this cmdlet on Windows Vista, Windows Server 2008, and later versions of Windows, you must start Windows PowerShell with the “Run as administrator” option.

    ————————– EXAMPLE 1 ————————–

    C:\PS>Unregister-PSSessionConfiguration -Name MaintenanceShell

    Description
    ———–
    This command deletes the MaintenanceShell session configuration from the computer.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Unregister-PSSessionConfiguration -maintenanceShell -Force

    Description
    ———–
    This command deletes the MaintenanceShell session configuration from the computer. The command uses the Force parameter to suppress all user messages and to restart the WinRM service without prompting.

    ————————– EXAMPLE 3 ————————–

    C:\PS>Unregister-PSSessionConfiguration -Name *

    C:\PS> Get-PSSessionConfiguration -Name * | Unregister-PSSessionConfiguration

    Description
    ———–
    These commands delete all of the session configurations on the computer. The commands have the same effect and can be used interchangeably.

    ————————– EXAMPLE 4 ————————–

    C:\PS>Unregister-PSSessionConfiguration -Name maintenanceShell -NoServiceRestart

    C:\PS> Get-PSSessionConfiguration -Name maintenanceShell

    Get-PSSessionConfiguration -Name maintenanceShell : No Session Configuration matches criteria “maintenanceShell”.
        + CategoryInfo         : NotSpecified: (:) [Write-Error], WriteErrorException
        + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException

    C:\PS> New-PSSession -configurationName MaintenanceShell

     Id Name     ComputerName    State    Configuration         Availability
     — —-     ————    —–    ————-         ————
     1 Session1 localhost     Opened MaintenanceShell     Available

    C:\PS> Restart-Service winrm

    C:\PS> New-PSSession -configurationName MaintenanceShell
    [localhost] Connecting to remote server failed with the following error message : The WS-Management service cannot process the request. The resource
    URI (http://schemas.microsoft.com/powershell/MaintenanceShell) was not found in the WS-Management catalog. The catalog contains the metadata that describes resour
    ces, or logical endpoints. For more information, see the about_remote_TroubleShooting Help topic.
        + CategoryInfo         : OpenError: (System.Manageme….RemoteRunspace:RemoteRunspace) [], PSRemotingTransportException
        + FullyQualifiedErrorId : PSSessionOpenFailed

    Description
    ———–
    This example shows the effect of using the NoServiceRestart parameter of Unregister-PSSessionConfiguration. This parameter is designed to prevent a service restart, which would disrupt any sessions on the computer.

    The first command uses the Unregister-PSSessionConfiguration cmdlet to deletes the MaintenanceShell session configuration. However, because the command uses the NoServiceRestart parameter, the WinRM service is not restarted and the change is not yet completely effective.

    The second command uses the Get-PSSessionConfiguration cmdlet to get the MaintenanceShell session. Because the session has been removed from the WS-Management resource table, Get-PSSession cannot return it.

    The third command uses the New-PSSession cmdlet to create a session on the local computer that uses the MaintenanceShell configuration. The command succeeds.

    The fourth command uses the Restart-Service cmdlet to restart the WinRM service.

    The fifth command again uses the New-PSSession cmdlet to create a session that uses the MaintenanceShell configuration. This time, the session fails because the MaintenanceShell configuration has been deleted.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=144308
    about_Session_Configurations
    Disable-PSSessionConfiguration
    Enable-PSSessionConfiguration
    Get-PSSessionConfiguration
    Register-PSSessionConfiguration
    Set-PSSessionConfiguration
    WS-Management Provider

cmdlet, Set, Variable

Set-Variable

NAME
    Set-Variable

SYNOPSIS
    Sets the value of a Variable. Creates the Variable if one with the requested name does not exist.

SYNTAX
    Set-Variable [-Name] <string[]> [[-Value] <Object>] [-Description <string>] [-Exclude <string[]>] [-Force] [-Include <string[]>] [-Option {None | ReadOnly | Constant | Private | AllScope}] [-PassThru] [-Scope <string>] [-Visibility {Public | Private}] [-Confirm] [-WhatIf] [<CommonParameters>]

DESCRIPTION
    The Set-Variable cmdlet assigns a value to a specified Variable or changes the current value. If the Variable does not exist, the cmdlet creates it.

PARAMETERS
    -Description <string>
        Specifies the description of the Variable.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Exclude <string[]>
        Omits the specified items. The value of this parameter qualifies the Path parameter. Enter a path element or pattern, such as “*.txt”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Force [<SwitchParameter>]
        Allows you to create a Variable with the same name as an existing read-only Variable, or to change the value of a read-only Variable.

        By default, you can overwrite a Variable, unless the Variable has an option value of “ReadOnly” or “Constant”. For more information, see the Option parameter.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Include <string[]>
        Changes only the specified items. The value of this parameter qualifies the Name parameter. Enter a name or name pattern, such as “c*”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Name <string[]>
        Specifies the Variable name.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Option <ScopedItemOptions>
        Changes the value of the Options property of the Variable. Valid values are:

        — None: Sets no options. (“None” is the default.)

        — ReadOnly: The properties of the Variable cannot be changed, except by using the Force parameter. You can use Remove-Variable to delete the Variable.

        — Constant: The Variable cannot be deleted and its properties cannot be changed. “Constant” is available only when you are creating an Alias. You cannot change the option of an existing Variable to “Constant”.

        — Private: The Variable is available only within the scope specified by the Scope parameter. It is inherited by child scopes.

        — AllScope: The Variable is copied to any new scopes that are created.

        To see the Options property of the Variables, type “Get-Variable| Format-Table -property name, options -autosize”.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -PassThru [<SwitchParameter>]
        Returns an object representing the new Variable. By default, this cmdlet does not generate any output.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Scope <string>
        Determines the scope of the Variable. Valid values are “Global”, “Local”, or “Script”, or a number relative to the current scope (0 through the number of scopes, where 0 is the current scope and 1 is its parent). “Local” is the default. For more information, see about_scopes.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Value <Object>
        Specifies the value of the Variable.

        Required?                    false
        Position?                    2
        Default value
        Accept pipeline input?     true (ByValue, ByPropertyName)
        Accept wildcard characters? false

    -Visibility <SessionStateEntryVisibility>
        Determines whether the Variable is visible outside of the session in which it was created. This parameter is designed for use in scripts and commands that will be delivered to other users.

        Valid values are:

        — Public: The Variable is visible. (“Public” is the default.)
        — Private: The Variable is not visible.

        When a Variable is private, it does not appear in lists of Variables, such as those returned by Get-Variable, or in displays of the Variable: drive. Commands to read or change the value of a private Variable return an error. However, the user can run commands that use a private Variable if the commands were written in the session in which the Variable was defined.

        Required?                    false
        Position?                    named
        Default value                Public
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Confirm [<SwitchParameter>]
        Prompts you for confirmation before executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -WhatIf [<SwitchParameter>]
        Describes what would happen if you executed the command without actually executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.Object
        You can pipe an object that represents the value of the Variable to Set-Variable.

OUTPUTS
    None or System.Management.Automation.PSVariable
        When you use the PassThru parameter, Set-Variable generates a System.Management.Automation.PSVariable object representing the new or changed Variable. Otherwise, this cmdlet does not generate any output.

NOTES

    ————————– EXAMPLE 1 ————————–

    C:\PS>Set-Variable -Name desc -Value “A description”

    C:\PS>Get-Variable -Name desc

    Description
    ———–
    These commands set the value of the “desc” Variable to “A description”, and then get the value of the Variable.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Set-Variable -Name processes -Value (Get-Process) -Option constant -Scope global -Description “All processes” -PassThru | Format-List -property *

    Description
    ———–
    This command creates a global, read-only Variable that contains all processes on the system, and then it displays all properties of the Variable.

    The command uses the Set-Variable cmdlet to create the Variable. It uses the PassThru parameter to create an object representing the new Variable, and it uses the pipeline operator (|) to pass the object to the Format-List cmdlet. It uses the Property parameter of Format-List with a value of all (*) to display all properties of the newly created Variable.

    The value, “(Get-Process)”, is enclosed in parentheses to ensure that it is executed before being stored in the Variable. Otherwise, the Variable contains the words “Get-Process“.

    ————————– EXAMPLE 3 ————————–

    C:\PS># Set-Variable -Name counter -Visibility private

    C:\PS> New-Variable -Name counter -Visibility public -Value 26

    C:\PS> $counter
    26

    C:\PS> Get-Variable c*

    Name Value
    —- —–
    Culture en-US
    ConsoleFileName
    ConfirmPreference High
    CommandLineParameters {}
    Counter 26

    C:\PS> Set-Variable -Name counter -Visibility private

    C:\PS> Get-Variable c*

    Name Value
    —- —–
    Culture en-US
    ConsoleFileName
    ConfirmPreference High
    CommandLineParameters {}

    C:\PS> $counter
    “Cannot access the Variable ‘$counter’ because it is a private Variable”

    C:\PS> .\use-counter.ps1
    Commands completed successfully.

    Description
    ———–
    This command shows how to change the visibility of a Variable to “Private”. This Variable can be read and changed by scripts with the required permissions, but it is not visible to the user.

    The sample output shows the difference in the behavior of public and private Variables.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113401
    Get-Variable
    New-Variable
    Remove-Variable
    Clear-Variable

cmdlet, Job, Start

Start-Job

NAME
    Start-Job

SYNOPSIS
    Starts a Windows PowerShell background job.

SYNTAX
    Start-Job [-ScriptBlock] <scriptblock> [[-InitializationScript] <scriptblock>] [-ArgumentList <Object[]>] [-Authentication {Default | Basic | Negotiate | NegotiateWithImplicitCredential | Credssp | Digest | Kerberos}] [-Credential <PSCredential>] [-InputObject <psobject>] [-Name <string>] [-RunAs32] [<CommonParameters>]

    Start-Job [[-FilePath] <string>] [[-InitializationScript] <scriptblock>] [-ArgumentList <Object[]>] [-Authentication {Default | Basic | Negotiate | NegotiateWithImplicitCredential | Credssp | Digest | Kerberos}] [-Credential <PSCredential>] [-InputObject <psobject>] [-Name <string>] [-RunAs32] [<CommonParameters>]

DESCRIPTION
    The Start-Job cmdlet starts a Windows PowerShell background job on the local computer.

    A Windows PowerShell background job runs a command “in the background” without interacting with the current session. When you start a background job, a job object is returned immediately, even if the job takes an extended time to complete. You can continue to work in the session without interruption while the job runs.

    The job object contains useful information about the job, but it does not contain the job results. When the job completes, use the Receive-Job cmdlet to get the results of the job. For more information about background jobs, see about_jobs.

    To run a background job on a remote computer, use the AsJob parameter that is available on many cmdlets, or use the Invoke-Command cmdlet to run a Start-Job command on the remote computer. For more information, see about_remote_Jobs.

PARAMETERS
    -ArgumentList <Object[]>
        Specifies the arguments (parameter values) for the script that is specified by the FilePath parameter.

        Because all of the values that follow the ArgumentList parameter name are interpreted as being values of ArgumentList, the ArgumentList parameter should be the last parameter in the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Authentication <AuthenticationMechanism>
        Specifies the mechanism that is used to authenticate the user’s credentials. Valid values are Default, Basic, Credssp, Digest, Kerberos, Negotiate, and NegotiateWithImplicitCredential. The default value is Default.

        CredSSP authentication is available only in Windows Vista, Windows Server 2008, and later versions of Windows.

        For information about the values of this parameter, see the description of the System.Management.Automation.Runspaces.AuthenticationMechanism enumeration in MSDN.

        CAUTION: Credential Security Service Provider (CredSSP) authentication, in which the user’s credentials are passed to a remote computer to be authenticated, is designed for commands that require authentication on more than one resource, such as accessing a remote network share. This mechanism increases the security risk of the remote operation. If the remote computer is compromised, the credentials that are passed to it can be used to control the network session.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Credential <PSCredential>
        Specifies a user account that has permission to perform this action. The default is the current user.

        Type a user name, such as “User01” or “Domain01\User01”, or enter a PSCredential object, such as one from the Get-Credential cmdlet.

        Required?                    false
        Position?                    named
        Default value                Current user
        Accept pipeline input?     false
        Accept wildcard characters? false

    -FilePath <string>
        Runs the specified local script as a background job. Enter the path and file name of the script or pipe a script path to Start-Job. The script must reside on the local computer or in a directory that the local computer can access.

        When you use this parameter, Windows PowerShell converts the contents of the specified script file to a script block and runs the script block as a background job.

        Required?                    false
        Position?                    1
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -InitializationScript <scriptblock>
        Specifies commands that run before the job starts. Enclose the commands in braces ( { } ) to create a script block.

        Use this parameter to prepare the session in which the job runs. For example, you can use it to add Functions, snap-ins, and modules to the session.

        Required?                    false
        Position?                    2
        Default value                None
        Accept pipeline input?     false
        Accept wildcard characters? false

    -InputObject <psobject>
        Specifies input to the command. Enter a Variable that contains the objects, or type a command or expression that generates the objects.

        In the value of the ScriptBlock parameter, use the $input automatic Variable to represent the input objects.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     true (ByValue)
        Accept wildcard characters? false

    -Name <string>
        Specifies a friendly name for the new job. You can use the name to identify the job to other job cmdlets, such as Stop-Job.

        The default friendly name is Job#, where “#” is an ordinal number that is incremented for each job.

        Required?                    false
        Position?                    named
        Default value                Job<number>
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -RunAs32 [<SwitchParameter>]
        Runs the job in a 32-bit process.

        Use this parameter to force the job to run in a 32-bit process on a 64-bit operating system.

        Required?                    false
        Position?                    named
        Default value                False
        Accept pipeline input?     false
        Accept wildcard characters? false

    -ScriptBlock <scriptblock>
        Specifies the commands to run in the background job. Enclose the commands in braces ( { } ) to create a script block. This parameter is required.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.String
        You can pipe a file path to Start-Job.

OUTPUTS
    System.Management.Automation.RemotingJob
        Start-Job returns an object that represents the job that it started.

NOTES

        To run in the background, Start-Job runs in its own session within the current session. When you use the Invoke-Command cmdlet to run a Start-Job command in a session on a remote computer, Start-Job runs in a session within the remote session.

    ————————– EXAMPLE 1 ————————–

    C:\PS>Start-Job -ScriptBlock {Get-Process}

    C:\PS> Start-Job -command “Get-Process”

    Id    Name State    HasMoreData Location Command
    — —- —–    ———– ——– ——-
    1     Job1 Running True         localhost Get-Process

    Description
    ———–
    This command starts a background job that runs a Get-Process command. The command returns a job object with information about the job. The command prompt returns immediately so that you can work in the session while the job runs in the background.

    ————————– EXAMPLE 2 ————————–

    C:\PS>$jobWRM = Invoke-Command -computerName (Get-Content servers.txt) -ScriptBlock {Get-Service winrm} -jobname WinRM -throttlelimit 16 -AsJob

    Description
    ———–
    This command uses the Invoke-Command cmdlet and its AsJob parameter to start a background job that runs a “Get-Service winrm” command on numerous computers. Because the command is running on a server with substantial network traffic, the command uses the ThrottleLimit parameter of Invoke-Command to limit the number of concurrent commands to 16.

    The command uses the ComputerName parameter to specify the computers on which the job runs. The value of the ComputerName parameter is a Get-Content command that gets the text in the Servers.txt file, a file of computer names in a domain.

    The command uses the ScriptBlock parameter to specify the command and the JobName parameter to specify a friendly name for the job.

    ————————– EXAMPLE 3 ————————–

    C:\PS>$j = Start-Job -ScriptBlock {Get-Eventlog -log system} -Credential domain01\user01

    C:\PS> $j | Format-List -property *

    HasMoreData : True
    StatusMessage :
    Location     : localhost
    Command     : Get-Eventlog -log system
    JobStateInfo : Running
    Finished     : System.Threading.ManualResetEvent
    InstanceId    : 2d9d775f-63e0-4d48-b4bc-c05d0e177f34
    Id            : 1
    Name         : Job1
    ChildJobs     : {Job2}
    Output        : {}
    Error         : {}
    Progress     : {}
    Verbose     : {}
    Debug         : {}
    Warning     : {}
    StateChanged :

    C:\PS> $j.JobStateInfo.state
    Completed

    C:\PS> $results = Receive-Job -job $j

    C:\PS> $results
    Index Time         Type        Source                EventID Message
    —– —-         —-        ——                ——- ——-
    84366 Feb 18 19:20 Information Service Control M…     7036 The description…
    84365 Feb 18 19:16 Information Service Control M…     7036 The description…
    84364 Feb 18 19:10 Information Service Control M…     7036 The description…
    …

    Description
    ———–
    These commands manage a background job that gets all of the events from the System log in Event Viewer. The job runs on the local computer.

    The first command uses the Start-Job cmdlet to start the job. It uses the Credential parameter to specify the user account of a user who has permission to run the job on the computer. Then it saves the job object that Start-Job returns in the $j Variable.

    At this point, you can resume your other work while the job completes.

    The second command uses a pipeline operator (|) to pass the job object in $j to the Format-List cmdlet. The Format-List command uses the Property parameter with a value of all (*) to display all of the properties of the job object in a list.

    The third command displays the value of the JobStateInfo property. This contains the status of the job.

    The fourth command uses the Receive-Job cmdlet to get the results of the job. It stores the results in the $results Variable.

    The final command displays the contents of the $results Variable.

    ————————– EXAMPLE 4 ————————–

    C:\PS>Start-Job -filepath c:\scripts\sample.ps1

    Description
    ———–
    This command runs the Sample.ps1 script as a background job.

    ————————– EXAMPLE 5 ————————–

    C:\PS>Start-Job -Name WinRm -ScriptBlock {Get-Process winrm}

    Description
    ———–
    This command runs a background job that gets the WinRM process on the local computer. The command uses the ScriptBlock parameter to specify the command that runs in the background job. It uses the Name parameter to specify a friendly name for the new job.

    ————————– EXAMPLE 6 ————————–

    C:\PS>Start-Job -Name GetMappingFiles -InitializationScript {Import-Module MapFunctions} -ScriptBlock {Get-Map -Name * | Set-Content D:\Maps.tif} -RunAs32

    Description
    ———–
    This command starts a job that collects a large amount of data and saves it in a .tif file. The command uses the InitializationScript parameter to run a script block that imports a required module. It also uses the RunAs32 parameter to run the job in a 32-bit process even if the computer has a 64-bit operating system.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113405
    about_jobs
    about_job_details
    about_remote_Jobs
    Get-Job
    Receive-Job
    Wait-Job
    Stop-Job
    Remove-Job
    Invoke-Command

cmdlet, Service, Start

Start-Service

NAME
    Start-Service

SYNOPSIS
    Starts one or more stopped services.

SYNTAX
    Start-Service [-Name] <string[]> [-Exclude <string[]>] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

    Start-Service -DisplayName <string[]> [-Exclude <string[]>] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

    Start-Service [-InputObject <ServiceController[]>] [-Exclude <string[]>] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [<CommonParameters>]

DESCRIPTION
    The Start-Service cmdlet sends a start message to the Windows Service Controller for each of the specified services. If a service is already running, the message is ignored without error. You can specify the services by their service names or display names, or you can use the InputObject parameter to supply a service object representing the services that you want to start.

PARAMETERS
    -DisplayName <string[]>
        Specifies the display names of the services to be started. Wildcards are permitted.

        Required?                    true
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Exclude <string[]>
        Omits the specified services. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as “s*”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Include <string[]>
        Starts only the specified services. The value of this parameter qualifies the Name parameter. Enter a name element or pattern, such as “s*”. Wildcards are permitted.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -InputObject <ServiceController[]>
        Specifies ServiceController objects representing the services to be started. Enter a Variable that contains the objects, or type a command or expression that gets the objects.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     true (ByValue)
        Accept wildcard characters? false

    -Name <string[]>
        Specifies the service names for the service to be started.

        The parameter name is optional. You can use “-Name” or its Alias, “-ServiceName”, or you can omit the parameter name.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByValue, ByPropertyName)
        Accept wildcard characters? false

    -PassThru [<SwitchParameter>]
        Returns an object representing the service. By default, this cmdlet does not generate any output.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Confirm [<SwitchParameter>]
        Prompts you for confirmation before executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -WhatIf [<SwitchParameter>]
        Describes what would happen if you executed the command without actually executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.ServiceProcess.ServiceController, System.String
        You can pipe objects that represent the services or strings that contain the service names to Start-Service.

OUTPUTS
    None or System.ServiceProcess.ServiceController
        When you use the PassThru parameter, Start-Service generates a System.ServiceProcess.ServiceController object representing the service. Otherwise, this cmdlet does not generate any output.

NOTES

        You can also refer to Start-Service by its built-in Alias, “sasv”. For more information, see about_aliases.

        Start-Service can control services only when the current user has permission to do so. If a command does not work correctly, you might not have the required permissions.

        To find the service names and display names of the services on your system, type “Get-Service“. The service names appear in the Name column, and the display names appear in the DisplayName column.

        You can start only the services that have a start type of “Manual” or “Automatic”. You cannot start the services with a start type of “Disabled”. If a Start-Service command fails with the message “Cannot start service <service-Name> on computer,” use a Get-WmiObject command to find the start type of the service and, if necessary, use a Set-Service command to change the start type of the service.

        Some services, such as Performance Logs and Alerts (SysmonLog) stop automatically if they have no work to do. When Windows PowerShell starts a service that stops itself almost immediately, it displays the following message: “Service <display-Name> start failed.”

    ————————– EXAMPLE 1 ————————–

    C:\PS>Start-Service -Name eventlog

    Description
    ———–
    This command starts the EventLog service on the local computer. It uses the Name parameter to identify the service by its service name.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Start-Service -displayname *remote* -WhatIf

    Description
    ———–
    This command tells what would happen if you started the services with a display name that includes “remote”. It uses the DisplayName parameter to specify the services by their display name instead of by their service name. And, it uses the WhatIf parameter to tell what would happen if the command were executed instead of executing the command.

    ————————– EXAMPLE 3 ————————–

    C:\PS>$s = Get-Service wmi

    C:\PS>Start-Service -InputObject $s -PassThru | Format-List >> services.txt

    Description
    ———–
    These commands start the Windows Management Instrumentation (WMI) service on the computer and add a record of the action to the services.txt file. The first command uses the Get-Service cmdlet to get an object representing the WMI service and store it in the $s Variable.

    The second command uses the Start-Service cmdlet to start the WMI service. It identifies the service by using the InputObject parameter to pass the $s Variable containing the WMI service object to Start-Service. Then, it uses the PassThru parameter to create an object that represents the starting of the service. Without this parameter, Start-Service does not create any output.

    The pipeline operator (|) passes the object that Start-Service creates to the Format-List cmdlet, which formats the object as a list of its properties. The append redirection operator (>>) redirects the output to the services.txt file, where it is added to the end of the existing file.

    ————————– EXAMPLE 4 ————————–

    C:\PS># Start-Service

    Description
    ———–
    This series of commands shows how to start a service when the start type of the service is “Disabled”. The first command, which uses the Start-Service cmdlet to start the Telnet service (tlntsvr), fails.

    C:\PS>Start-Service tlntsvr

    Start-Service : Service ‘Telnet (TlntSvr)’ cannot be started due to the    following error: Cannot start service TlntSvr on computer ‘.’.
    At line:1 char:14
    + Start-Service <<<< tlntsvr

    The second command uses the Get-WmiObject cmdlet to get the Tlntsvr service. This command retrieves an object with the start type property in the StartMode field. The resulting display reveals that the start type of the Tlntsvr service is “Disabled”.

    C:\PS> Get-WmiObject win32_service | Where-Object {$_.Name -eq “tlntsvr”}

    ExitCode : 0
    Name     : TlntSvr
    ProcessId : 0
    StartMode : Disabled
    State     : Stopped
    Status    : OK

    The next command uses the Set-Service cmdlet to change the start type of the Tlntsvr service to “Manual”.

    C:\PS> Set-Service tlntsvr -startuptype manual

    Now, we can resubmit the Start-Service command. This time, the command succeeds.

    C:\PS> Start-Service tlntsvr

    To verify that the command succeeded, use Get-Service.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113406
    Get-Service
    Suspend-Service
    Stop-Service
    Restart-Service
    Resume-Service
    Set-Service
    New-Service

Alias, cmdlet, Set

Set-Alias

NAME
    Set-Alias

SYNOPSIS
    Creates or changes an Alias (alternate name) for a cmdlet or other command element in the current Windows PowerShell session.

SYNTAX
    Set-Alias [-Name] <string> [-Value] <string> [-Description <string>] [-Force] [-Option {None | ReadOnly | Constant | Private | AllScope}] [-PassThru] [-Scope <string>] [-Confirm] [-WhatIf] [<CommonParameters>]

DESCRIPTION
    The Set-Alias cmdlet creates or changes an Alias (alternate name) for a cmdlet or for a command element, such as a Function, a script, a file, or other executable. You can also use Set-Alias to reassign a current Alias to a new command, or to change any of the properties of an Alias, such as its description. Unless you add the Alias to the Windows PowerShell profile, the changes to an Alias are lost when you exit the session or close Windows PowerShell.

PARAMETERS
    -Description <string>
        Specifies a description of the Alias. You can type any string. If the description includes spaces, enclose it quotation marks.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Force [<SwitchParameter>]
        Allows the cmdlet to set a read-only Alias. Use the Option parameter to create a read-only Alias. The Force parameter cannot set a constant Alias.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Name <string>
        Specifies the new Alias. You can use any alphanumeric characters in an Alias, but the first character cannot be a number.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Option <ScopedItemOptions>
        Sets the value of the Options property of the Alias.

        Valid values are:

        — None: Sets no options. (default)

        — ReadOnly: The properties of the Alias cannot be changed, except by using the Force parameter. You can use Remove-Item to delete the Alias.

        — Constant: The Alias cannot be deleted and its properties cannot be changed. Constant is available only when you are creating an Alias. You cannot change the option of an existing Alias to Constant.

        — Private: The Alias is available only within the scope specified by the Scope parameter. It is invisible in all other scopes.

        — AllScope: The Alias is copied to any new scopes that are created.

        To see the Options property of the Aliases, type “Get-Alias | Format-Table -property Name, Definition, Options -autosize”.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -PassThru [<SwitchParameter>]
        Returns an object representing the Alias. By default, this cmdlet does not generate any output.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Scope <string>
        Specifies the scope in which this Alias is valid. Valid values are “Global”, “Local”, or “Script”, or a number relative to the current scope (0 through the number of scopes, where 0 is the current scope and 1 is its parent). “Local” is the default. For more information, see about_scopes.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Value <string>
        Specifies the name of the cmdlet or command element that is being Aliased.

        Required?                    true
        Position?                    2
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Confirm [<SwitchParameter>]
        Prompts you for confirmation before executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -WhatIf [<SwitchParameter>]
        Describes what would happen if you executed the command without actually executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    None
        You cannot pipe input to this cmdlet.

OUTPUTS
    None or System.Management.Automation.AliasInfo
        When you use the PassThru parameter, Set-Alias generates a System.Management.Automation.AliasInfo object representing the Alias. Otherwise, this cmdlet does not generate any output.

NOTES

        An Alias is an alternate name or nickname for a cmdlet or command element. To run the cmdlet, you can use its full name or any valid Alias. For more information, see about_aliases.

        To create a new Alias, use Set-Alias or New-Alias. To delete an Alias, use Remove-Item.

        A cmdlet can have multiple Aliases, but an Alias can only be associated with one cmdlet at a time. If you use Set-Alias to associate the Alias with a different cmdlet, it is no longer associated with the original cmdlet.

        You can create an Alias for a cmdlet, but you cannot create an Alias for a command with parameters and values. For example, you can create an Alias for Set-Location, but you cannot create an Alias for “Set-Location C:\Windows\System32″. To create an Alias for a command, create a Function that includes the command, and then create an Alias to the Function.

        To save the Aliases from a session and use them in a different session, add the Set-Alias command to your Windows PowerShell profile. Profiles do not exist by default. To create a profile in the path stored in the $profile Variable, type “New-Item -type file -Force $profile”. To see the value of the $profile Variable, type “$profile”.

        You can also save your Aliases by using Export-Alias to copy the Aliases from the session to a file, and then use Import-Alias to add them to the Alias list for a new session.

        You can also refer to Set-Alias by its built-in Alias, “sal”. For more information, see about_aliases.

    ————————– EXAMPLE 1 ————————–

    C:\PS>Set-Alias -Name list -Value Get-ChildItem

    Description
    ———–
    This command creates the Alias “list” for the Get-ChildItem cmdlet. After you create the Alias, you can use “list” in place of “Get-ChildItem” at the command line and in scripts.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Set-Alias list Get-Location

    Description
    ———–
    This command associates the Alias “list” with the Get-Location cmdlet. If “list” is an Alias for another cmdlet, this command changes its association so that it now is the Alias only for Get-Location.

    This command uses the same format as the command in the previous example, but it omits the optional parameter names, -Name and -Value. When you omit parameter names, the values of those parameters must appear in the specified order in the command. In this case, the value of -Name (“list”) must be the first parameter and the value of -Value (“Get-Location“) must be the second parameter.

    ————————– EXAMPLE 3 ————————–

    C:\PS>Set-Alias scrub Remove-Item -Option readonly -PassThru | Format-List

    Description
    ———–
    This command associates the Alias “scrub” with the Remove-Item cmdlet. It uses the “ReadOnly” option to prevent the Alias from being deleted or assigned to another cmdlet.

    The PassThru parameter directs Windows PowerShell to pass an object that represents the new Alias through the pipeline to the Format-List cmdlet. If the PassThru parameter were omitted, there would be no output from this cmdlet to display (in a list or otherwise).

    ————————– EXAMPLE 4 ————————–

    C:\PS>Set-Alias np c:\windows\notepad.exe

    Description
    ———–
    This command associates the Alias, “np”, with the executable file for Notepad. After the command completes, to open Notepad from the Windows PowerShell command line, just type “np”.

    This example demonstrates that you can create Aliases for executable files and elements other than cmdlets.

    To make the command more generic, you can use the “Windir” Environment Variable (${env:windir}) to represent the C\Windows directory. The generic version of the command is “Set-Alias np ${env:windir}\notepad.exe”.

    ————————– EXAMPLE 5 ————————–

    C:\PS>function CD32 {Set-Location c:\windows\system32}

    C:\PS>Set-Alias go cd32

    Description
    ———–
    These commands show how to assign an Alias to a command with parameters, or even to a pipeline of many commands.

    You can create an Alias for a cmdlet, but you cannot create an Alias for a command that consists of a cmdlet and its parameters. However, if you place the command in a Function or a script, then you can create a useful Function or script name and you can create one or more Aliases for the Function or script.

    In this example, the user wants to create an Alias for the command “Set-Location c:\windows\system32″, where “Set-Location” is a cmdlet and “C:\Windows\System32” is the value of the Path parameter.

    To do this, the first command creates a Function called “CD32” that contains the Set-Location command.

    The second command creates the Alias “go” for the CD32 Function. Then, to run the Set-Location command, the user can type either “CD32” or “go”.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113390
    Get-Alias
    New-Alias
    Export-Alias
    Import-Alias

cmdlet, ItemProperty, Set

Set-ItemProperty

NAME
    Set-ItemProperty

SYNOPSIS
    Creates or changes the value of a property of an item.

SYNTAX
    Set-ItemProperty [-LiteralPath] <string[]> -InputObject <psobject> [-Credential <PSCredential>] [-Exclude <string[]>] [-Filter <string>] [-Force] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [-UseTransaction] [<CommonParameters>]

    Set-ItemProperty [-Path] <string[]> -InputObject <psobject> [-Credential <PSCredential>] [-Exclude <string[]>] [-Filter <string>] [-Force] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [-UseTransaction] [<CommonParameters>]

    Set-ItemProperty [-LiteralPath] <string[]> [-Name] <string> [-Value] <Object> [-Credential <PSCredential>] [-Exclude <string[]>] [-Filter <string>] [-Force] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [-UseTransaction] [<CommonParameters>]

    Set-ItemProperty [-Path] <string[]> [-Name] <string> [-Value] <Object> [-Credential <PSCredential>] [-Exclude <string[]>] [-Filter <string>] [-Force] [-Include <string[]>] [-PassThru] [-Confirm] [-WhatIf] [-UseTransaction] [<CommonParameters>]

DESCRIPTION
    The Set-ItemProperty cmdlet changes the value of the property of the specified item. You can use the cmdlet to establish or change the properties of items. For example, you can use Set-ItemProperty to set the value of the IsReadOnly property of a file object to true.

    You also use Set-ItemProperty to create and change Registry values and data. For example, you can add a new Registry entry to a key and establish or change its value.

PARAMETERS
    -Credential <PSCredential>
        Specifies a user account that has permission to perform this action. The default is the current user.

        Type a user name, such as “User01” or “Domain01\User01”, or enter a PSCredential object, such as one generated by the Get-Credential cmdlet. If you type a user name, you will be prompted for a password.

        This parameter is not supported by any providers installed with Windows PowerShell.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Exclude <string[]>
        Specifies those items upon which the cmdlet is not to act, and includes all others.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Filter <string>
        Specifies a filter in the provider’s format or language. The value of this parameter qualifies the Path parameter. The syntax of the filter, including the use of wildcards, depends on the provider. Filters are more efficient than other parameters, because the provider applies them when retrieving the objects rather than having Windows PowerShell filter the objects after they are retrieved.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Force [<SwitchParameter>]
        Allows the cmdlet to set a property on items that cannot otherwise be accessed by the user. Implementation varies from provider to provider. For more information, see about_providers.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Include <string[]>
        Specifies only those items upon which the cmdlet will act, excluding all others.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -InputObject <psobject>
        Specifies the object that has the properties that you want to change. Enter a Variable that contains the object or a command that gets the object.

        Required?                    true
        Position?                    named
        Default value
        Accept pipeline input?     true (ByValue, ByPropertyName)
        Accept wildcard characters? false

    -LiteralPath <string[]>
        Specifies a path to the item property. The value of LiteralPath is used exactly as it is typed. No characters are interpreted as wildcards. If the path includes escape characters, enclose it in single quotation marks. Single quotation marks tell Windows PowerShell not to interpret any characters as escape sequences.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Name <string>
        Specifies the name of the property.

        Required?                    true
        Position?                    2
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -PassThru [<SwitchParameter>]
        Returns an object representing the item property. By default, this cmdlet does not generate any output.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -Path <string[]>
        Specifies the path to the items with the property to be set.

        Required?                    true
        Position?                    1
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Value <Object>
        Specifies the value of the property.

        Required?                    true
        Position?                    3
        Default value
        Accept pipeline input?     true (ByPropertyName)
        Accept wildcard characters? false

    -Confirm [<SwitchParameter>]
        Prompts you for confirmation before executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -WhatIf [<SwitchParameter>]
        Describes what would happen if you executed the command without actually executing the command.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    -UseTransaction [<SwitchParameter>]
        Includes the command in the active transaction. This parameter is valid only when a transaction is in progress. For more information, see about_transactions.

        Required?                    false
        Position?                    named
        Default value
        Accept pipeline input?     false
        Accept wildcard characters? false

    <CommonParameters>
        This cmdlet supports the common parameters: Verbose, Debug,
        ErrorAction, ErrorVariable, WarningAction, WarningVariable,
        OutBuffer and OutVariable. For more information, type,
        “Get-Help about_CommonParameters“.

INPUTS
    System.Management.Automation.PSObject
        You can pipe objects to Set-ItemProperty.

OUTPUTS
    None or System.Management.Automation.PSCustomObject
        When you use the PassThru parameter, Set-ItemProperty generates a PSCustomObject object that represents the item that was changed and its new property value. Otherwise, this cmdlet does not generate any output.

NOTES

        The Set-ItemProperty cmdlet is designed to work with the data exposed by any provider. To list the providers available in your session, type “Get-PSProvider“. For more information, see about_providers.

    ————————– EXAMPLE 1 ————————–

    C:\PS>Set-Itemproperty -Path c:\GroupFiles\final.doc -Name IsReadOnly -Value $true

    Description
    ———–
    This command sets the value of the IsReadOnly property of the final.doc file to true.

    The command uses the Set-ItemProperty cmdlet to change the value of the property of the final.doc file. It uses the Path parameter to specify the file. It uses the Name parameter to specify the name of the property and the Value parameter to specify the new value.

    The $true automatic Variable represents a value of TRUE. For more information, see about_Automatic_Variables.

    The file is a System.IO.FileInfo object and IsReadOnly is just one of its properties. To see all of the properties and methods of a FileInfo object, pipe the file to the Get-Member cmdlet. For example, “final.doc | Get-Member“.

    ————————– EXAMPLE 2 ————————–

    C:\PS>Set-Itemproperty -Path HKLM:\Software\MyCompany -Name NoOfEmployees -Value 823

    C:\PS>Get-Itemproperty -Path HKLM:\Software\MyCompany

    PSPath        : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software\mycompany
    PSParentPath : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software
    PSChildName : mycompany
    PSDrive     : HKLM
    PSProvider    : Microsoft.PowerShell.Core\Registry
    NoOfLocations : 2
    NoOfEmployees : 823

    C:\PS>Set-Itemproperty -Path HKLM:\Software\MyCompany -Name NoOfEmployees -Value 824
    C:\PS>Get-Itemproperty -Path HKLM:\Software\MyCompany

    PSPath        : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software\mycompany
    PSParentPath : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\software
    PSChildName : mycompany
    PSDrive     : HKLM
    PSProvider    : Microsoft.PowerShell.Core\Registry
    NoOfLocations : 2
    NoOfEmployees : 824

    Description
    ———–
    This example shows how to use Set-ItemProperty to create a new Registry entry and to assign a value to the entry. It creates the NoOfEmployees entry in the MyCompany key in HKLM\Software key and sets its value to 823.

    Because Registry entries are considered to be properties of the Registry keys (which are items), you use Set-ItemProperty to create Registry entries, and to establish and change their values.

    The first command uses the Set-ItemProperty cmdlet to create the Registry entry. It uses the Path parameter to specify the path to the HKLM: drive and the Software\MyCompany key. It uses the Name parameter to specify the entry name and the Value parameter to specify a value.

    The second command uses the Get-ItemProperty cmdlet to see the new Registry entry. If you use the Get-Item or Get-ChildItem cmdlets, the entries do not appear because they are properties of a key, not items or child items.

    The third command changes the value of the NoOfEmployees entry to 824.

    You can also use the New-ItemProperty cmdlet to create the Registry entry and its value and then use Set-ItemProperty to change the value.

    For more information about the HKLM: drive, type “Get-Help Get-PSDrive“. For more information about using Windows PowerShell to manage the Registry, type “Get-Help Registry“.

    ————————– EXAMPLE 3 ————————–

    C:\PS>Get-ChildItem weekly.txt | Set-Itemproperty -Name IsReadOnly -Value $true

    Description
    ———–
    These commands show how to use a pipeline operator (|) to send an item to Set-ItemProperty.

    The first part of the command uses the Get-ChildItem cmdlet to get an object that represents the Weekly.txt file. The command uses a pipeline operator to send the file object to Set-ItemProperty. The Set-ItemProperty command uses the Name and Value parameters to specify the property and its new value.

    This command is equivalent to using the InputObject parameter to specify the object that Get-ChildItem gets.

RELATED LINKS
    Online version: http://go.microsoft.com/fwlink/?LinkID=113396
    about_providers
    Get-ItemProperty
    New-ItemProperty
    Clear-ItemProperty
    Remove-ItemProperty
    Rename-ItemProperty
    Move-ItemProperty
    Copy-ItemProperty