Can't start PowerShell script file with credentials of other user

Question

I have a GUI that has been created with PowerShell Studio and exported as a PS1-file. I'm now trying to launch this GUI by calling it with another user's credentials.

When I run the code it doesn't even give an error message. PowerShell pops-up and closes again in seconds and nothing is launched. Follwoing this thread, I think I followed the correct syntax.

$Script = 'S:\Prod\Script center\GUI Script.ps1'
$Credentials = Get-Credential
$powershellArguments = "-file '$Script'", "-noexit", "-verb runas"
Start-Process powershell -Credential $Credentials -ArgumentList $powershellArguments

These ones doesn't work either:

Start-Process powershell -Credential $Credentials -ArgumentList "-noprofile -command &{Start-Process powershell -verb runas -File 'S:\Prod\Script center\GUI Script.ps1'}"
Start-Process powershell -Credential $Credentials -ArgumentList "-noprofile -command &{Start-Process $script -verb runas}"

And this one is asking me the credentials, although they are already saved in the variable $Credentials. However, the powershell console launched is not launched as the user in the Credentials :(

$cmd = 'powershell.exe'
$arguments = "-NoExit", "-NoProfile", "-WindowStyle Maximized", '-NoLogo', "Credential $Credentials", "File '$script'"
Start-Process $cmd -ArgumentList $arguments -Verb runAs

I'm sure it's not related to the GUI script, because this works perfectly fine:

& 'S:\Prod\Script center\GUI Script.ps1'

Any help is greatly appreciated.

Naigel · Accepted Answer · 2015-03-30 08:34:32Z

1

Maybe your error is only on argument single quotes $powershellArguments = "-file '$Script'"; double quotes should be used.

Start-Process -FilePath "powershell" -Credential $cred -ArgumentList @("-file 'cred.ps1'") # doesn't work
Start-Process -FilePath "powershell" -Credential $cred -ArgumentList @("-file ""cred.ps1""") # works

answered Mar 30, 2015 at 8:34

Naigel

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3 Comments

DarkLite1 Over a year ago

Awesome! This launches at least the GUI:

$powershellArguments = "-File ""$script""", "-verb runas"; Start-Process powershell -Credential $Credentials -ArgumentList $powershellArguments

. The only annoying thing is that the console window of the caller stays open, so the GUI app is visible with the PowerShell console behind it. Is there a workaround for this? I tried -NoNewWindow, but that didn't help.

Deadly-Bagel Over a year ago

You're starting a new PowerShell process as another user. It can't open in the same window since then it would be using your credentials, not the new ones. You're better off trying to close the old window once the new one is open.

DarkLite1 Over a year ago

Found the complete solution:

$Arguments = "-File ""$Script""", "-verb runas"; Start-Process powershell -Credential $Credentials -ArgumentList $Arguments -WindowStyle hidden

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