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George Mauer
Asked: 2012-06-13 08:25:05 +0800 CST

How to set environment variable for another user?

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On Windows, how do I set an environment variable for a user other than the currently logged in one? I need to set the TMP variable to change the temporary directory used by an ASP.NET app.

windows environment-variables

1 Answers

  1. Best Answer

    You can access through the registry. Modify the \Environment\Tmp key in HKEY_Users\<their SID>

    Here are two solutions for getting the account SID

    $User = New-Object System.Security.Principal.NTAccount("domainname", "username") 
$SID = $User.Translate([System.Security.Principal.SecurityIdentifier]) 
$SID.Value

    or 

    Get-WmiObject win32_useraccount -Filter "name = 'username' AND domain = 'domainname'"
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