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Editorial Team
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Asked: 2026-05-28T02:36:06+00:00

I was pointed in this direction by the author of a script I’ve been

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I was pointed in this direction by the author of a script I’ve been using for a couple of years now.

It allows the remote locking of a desktop, and works fine locally and remotely under Windows XP, and works fine locally under Windows 7, but when trying to use it remotely against a Windows 7 machine it fails to work.
It’s been great for a few years now and has been very useful, but we’ve recently started to deploy Windows 7 machines on site and once the upgrade is fully completed I won’t be able to use this anymore.

The same question that I have was posed a couple of years back, but went unanswered.
Here is the VBS code:

' StartProcess.vbs
' Sample VBScript to start a process. Inputbox for name
' Author Guy Thomas http://computerperformance.co.uk/
' Version 2.2 - December 2005
' -------------------------------------------------------'
Option Explicit
Dim objWMIService, objProcess
Dim strShell, objProgram, strComputer, strExe, strInput
strExe = "rundll32.exe user32.dll,LockWorkStation"
' Input Box to get name of machine to run the process
Do
strComputer = (InputBox(" ComputerName to Run Script",_
"Computer Name"))
If strComputer <> "" Then
strInput = True
End if
Loop until strInput = True

' Connect to WMI
set objWMIService = getobject("winmgmts://"_
& strComputer & "/root/cimv2")
' Obtain the Win32_Process class of object.
Set objProcess = objWMIService.Get("Win32_Process")
Set objProgram = objProcess.Methods_( _
"Create").InParameters.SpawnInstance_
objProgram.CommandLine = strExe

'Execute the program now at the command line.
Set strShell = objWMIService.ExecMethod( _
"Win32_Process", "Create", objProgram)

'WScript.echo "Created: " & strExe & " on " & strComputer
WSCript.Quit
' End of Example of a Process VBScript
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1 Answer

  1. Editorial Team

    Running rundll32.exe user32.dll,LockWorkStation on my Win7 64 bit locks the screen, so this seems quite OK. But when looking at http://msdn.microsoft.com/en-us/library/windows/desktop/aa376875(v=vs.85).aspx I read

    The LockWorkStation function is callable only by processes running on
    the interactive desktop. In addition, the user must be logged on, and
    the workstation cannot already be locked.

    I have no experience with WMI but I assume that WMI does not run rundll32.exe on the interactive desktop!?

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