Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2 Object names Every object in Active Directory is an instance of a class defined in the schema. Each class has attributes that ensure: Unique identification of each object (instance of a class) in a directory data store Backward compatibility with security IDs used in Windows NT 4.0 a
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