Command is working on powershell but it is not working through C# exe

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Powershell Command is: Set-NetIPInterface -InterfaceIndex 11 -InterfaceMetric 99

This command is working when I run it on PowerShell as admin. but:
C# Code

PowerShell ps = PowerShell.Create();
ps.AddCommand("Set-NetIPInterface -InterfaceIndex 11 -InterfaceMetric 99");
try
{
 ps.invoke();
}
catch(Exception e)
{
 MessageBox.Show(e.Message+"");
}

When I run the above code I am getting the error message "The term 'Set-NetIPInterface -InterfaceIndex 11 -InterfaceMetric 99' is not recognized as the name of a cmdlet, function, script file or operable program. check the spelling of the name, or if a path was included, verify that the path is correct and try again"

Please help me out in resolving this issue.

What I have tried:

I didn't find much on the internet to resolved this issue

Posted 31-Aug-20 0:26am

Member 14686752

Updated 6-Sep-22 2:27am

v2

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Member 14686752 1-Sep-20 1:32am

The above work that I am doing is for changing the priority of Network cards, Is there any other way to do the same using C#?

3 solutions

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Member 15758983 · Answer 1 · 2022-09-06T02:27:00

Solution 3

Use AddScript() instead of AddCommand() and it will work

Posted 6-Sep-22 2:27am

Member 15758983

OriginalGriff · Answer 2 · 2020-08-31T01:22:00

Solution 2

Check that your C# app has been elevated: if it isn't running as an admin, then nothing it tries to run will be either.

Posted 31-Aug-20 1:22am

OriginalGriff

Comments

Member 14686752 31-Aug-20 7:38am

Yes it is running as admin

Garth J Lancaster · Answer 3 · 2020-08-31T00:34:00

Solution 1

Try setting it up like this Executing PowerShell scripts from C# | Microsoft Docs[^]

I do like the

using (PowerShell PowerShellInstance = PowerShell.Create())
{
// ... 
}

(using) to set up and tidy up the Powershell instance

Posted 31-Aug-20 0:34am

Garth J Lancaster

Comments

Member 14686752 31-Aug-20 6:40am

Getting the same error

Garth J Lancaster 31-Aug-20 6:48am

see if this runs it https://www.codeproject.com/Articles/18229/How-to-run-PowerShell-scripts-from-C