Consider the following scenario:
A Group Policy Object (GPO) has user rights assignments defined and is linked to an organizational unit (OU) in Active Directory. You notice that the user rights assignment policy settings are not being applied successfully. When you open the Resultant Set of Policy snap-in (RSOP.msc) on Windows Server 2003 member servers to which the policy should apply, you see a red X for the user rights assignments that are defined in the GPO. The user rights assignments are located in the following location:
Computer Configuration\Windows Settings\Security Settings\Local Policies\Users Rights Assignment