While working with PowerShell Remoting (PSRemoting), I was able to successfully connect to a remote machine using Enter-PSSession, but any administrative command—such as resetting the local Administrator password—failed with:
After successfully configuring Microsoft PowerShell PSRemoting, I was able to login with local Administrator user without any issue. But after creating another user, adding it to Administrators group then logging with it was throwing error message of Access is denied.
This is very simple and easy instructions to configure PowerShell PSRemoting WinRM on Windows system which is not joined into domain (Basically they are in workgroup). On the the first system login and and open PowerShell as administrator and Run below commands to configure PowerShell Remoting.