How to add users from PowerShell. Please replace usernames as needed.
1..10 | Foreach-Object {new-aduser -name "Meer$PSItem" -AccountPassword (convertTo-SecureString -AsPlainText "Pa$$w0rd!!!" -Force) -Enabled:$True}
How to configure a group policy for restricted groups:
1. In the GPO, browse and expand “Computer Configuration” - “Policies” - “Windows Settings”- “Security Settings”. Click on “Restricted Groups.” Right-click on “Restricted Groups” and select “Add Group”.
I demonstrated with a new GP so you can follow along.