Call a BAT in an elevated window and changing ENV variables before

Question

In a PowerShell script, I have to call a batch file in an elevated window. So I do

Start-Process my.bat -Verb runas

Now, my.bat

Answer 1

What you want isn't possible. For security reasons elevated processes don't inherit the parent's environment. What you can do is create a wrapper script that you run elevated and have that script set the environment variables from parameters before running my.bat.

IIRC "runas" isn't enabled for PowerShell scripts by default, so the wrapper script would have to be a batch file:

@echo off

set "VARIABLE1=%1"
set "VARIABLE2=%2"

call "C:\path\to\my.bat"

Run it like this:

Start-Process .\wrapper.ps1 -ArgumentList 'foo', 'bar' -Verb runas