Selecting a Resource Authorization Method
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2
Depending on the resource and the needs of your organization, you can choose to apply any or all of the following authorization methods to enable access to shared resources:
User/ACL method
Account Group/ACL (AG/ACL) method
Account Group/Resource Group (AG/RG) method
Role-based authorization