function

Start-GPUpdate

{

    

param

    

(

        

[String[]]

        

$ComputerName

    

)

 

    

$code

= {    

        

$rv = 1 | Select-Object -Property ComputerName, ExitCode

        

$null

= gpupdate.exe /force

        

$rv

.Exitcode = 

$LASTEXITCODE

        

$rv

.ComputerName = 

$env:COMPUTERNAME

        

$rv 

    

}

    

Invoke-Command

-ScriptBlock

$code

-ComputerName

$ComputerName

|

      

Select-Object

-Property

ComputerName, ExitCode

 

}

 

From： http://www.pstips.net/gpupdate-on-remote-machines.html