JSI Tip 9956. How do I use an environment variable in VBScript?

To expand an environment variable in VBScript, use the ExpandEnvironmentStrings method.

Example:

Set oShell = CreateObject( "WScript.Shell" )
user=oShell.ExpandEnvironmentStrings("%UserName%")
comp=oShell.ExpandEnvironmentStrings("%ComputerName%")
WScript.Echo user & " " & comp