This security setting determines which users who are logged on locally to the computer can shut down the operating system using the Shut Down command. Misuse of this user right can result in a denial of service. Default on Workstations: Administrators, Backup Operators, Users. Default on Servers: Administrators, Backup Operators. Default on Domain controllers: Administrators, Backup Operators, Server Operators, Print Operators. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\Local Policies\User Rights Assignment\Shut down the system (2) REG: INFO NOT AVAILABLE