PowerShell : How to run remote command prompt commands as admin from PowerShell?

Question

My scenario : Login to the remote machine via remote desktop connection and open command prompt as admin and execute some admin commands in the command prompt.

I am trying to automate the above scenario through powershell from my local machine.

Below are the steps that I have done :

To check the working of my powershell script, I manually logged into the remote machine (Admin Cred) and executed this command Start-Process cmd -ArgumentList '/c cmdcommand > output.txt -Verb runas. This is working as expected in the remote machine as I am getting the desired output.
Now, I tried to execute this command from the local powershell script through Invoke-Command -ComputerName computername - ScriptBlock {Start-Process cmd -ArgumentList '/c cmdcommand > output.txt -Verb runas} -Credentials $cred. I do not get any output.
But, when I do try to execute the above command without runas paramter, I get the output saying this particular command needs admin credentials which is expected.Invoke-Command -ComputerName computername - ScriptBlock {Start-Process cmd -ArgumentList '/c cmdcommand > output.txt} -Credentials $cred.

Am I missing something here?

Maximilian Burszley · Accepted Answer · 2017-06-28 04:47:55Z

1

Execute:

 Enable-PSRemoting -Force

In an elevated prompt on your target PC. Then Restart-Service WinRM

Enter-PSSession -ComputerName $rpc -Credential (Get-Credential)

answered Jun 28, 2017 at 4:47

Maximilian Burszley

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Ajmal Moideen Over a year ago

Thanks for the comment. I first invoked the windows.powershell session for the remote communication and with that session I was able to execute the remote commands as admin from my client machine.

Prasoon Karunan V · Accepted Answer · 2017-06-28 15:46:05Z

0

If you are able to remote to Default endpoint Microsoft.PoweShell, That means the executing user is an administrator in the destination machine.

But here, I suspect the cmdcommand you specified is actually doing some execution which targets a remote resource, hence it will become a dual hope issue.

if so, below article will be a solution for you issue.

Its all about Credential Delegation

answered Jun 28, 2017 at 15:46

Prasoon Karunan V

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2 Comments

Ajmal Moideen Over a year ago

Thank you @Prasoon for the comment. I modified my script a little bit $session = New-PSSession -ComputerName $remoteComputer -ConfigurationName Windows.PowerShell and using this session in the invoke command solved my problem. My understanding was that, if we do not explicitly use session, the default session would windows.powershell. I have no idea how this worked. Any explanation for this?

Prasoon Karunan V Over a year ago

Default endpoint is Microsoft.PowerShell, Probably in your environment, you might have an endpoint named Windows.PowerShell . To see the available endpoints, Login to the target machine and see the result of Get-PSSessionConfiguration cmdlet.

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