Run PowerShell FUNCTION as administrator from Batch file

Question

I have a PowerShell script. The way I usually execute this script in the PS console is by using:

. .\psScript.ps1

functionName

functionName is my entry function. I am attempting to run this PowerShell script and auto execute the function functionName as Administrator from a batch file. I can execute this script and function from my batch file using:

powershell -command "& { . .\psScript.ps1; functionName }"

However, this does not execute the script as administrator. So I have also tried the following:

powershell -NoProfile -ExecutionPolicy ByPass -command "& {Start-Process PowerShell -ArgumentList '-NoProfile -ExecutionPolicy ByPass -File "". .\psScript.ps1; functionName""' -Verb RunAs}"

This still does not work, and the console disappears too quickly for me to read the error message. Could anybody please help?

I assume that cmd is not launched as admin?

4c74356b41
– 4c74356b41

2017-02-15 15:38:00 +00:00
Commented Feb 15, 2017 at 15:38 — 4c74356b41
– 4c74356b41, Commented Feb 15, 2017 at 15:38
Cmd is not launched as admin, no.

potatopotarto
– potatopotarto

2017-02-15 15:55:35 +00:00
Commented Feb 15, 2017 at 15:55 — potatopotarto
– potatopotarto, Commented Feb 15, 2017 at 15:55

TechSpud · Accepted Answer · 2017-02-15 15:49:55Z

2

This works, from a non-elevated command prompt:

powershell -Command "Start-Process PowerShell –Verb RunAs -ArgumentList ""-File C:\Path\To\Script\psScript.ps1"""

answered Feb 15, 2017 at 15:49

TechSpud

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5 Comments

potatopotarto Over a year ago

Thanks for your reply. This does run the script as admin from a non-elevated cmd prompt, however, it does not auto-execute the function I need it to, I.e. functionName (shown above)

TechSpud Over a year ago

Easiest way to run the function, is to wrap dot-sourcing of the the psScript.ps1 file AND the function call into a second script. Then call that second script using my method above .

colsw Over a year ago

@potatopotarto you could add a call to the function at the end of the ps1 file, i.e. at the top you have function a { ... } and then after that just type a to call it.

potatopotarto Over a year ago

@TechSpud How would I wrap the dot source script. Would it be something along the lines of . ". \psScript.ps1" functionName ?

TechSpud Over a year ago

@potatopotarto - Yes. Line1: . C:\path\to\script.ps1. Line2: functionName -param1 value1 -param2 value2

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