This subcategory reports when replication between two domain controllers begins and ends. Events for this subcategory include: ? 4932: Synchronization of a replica of an Active Directory naming context has begun. ? 4933: Synchronization of a replica of an Active Directory naming context has ended. Refer to the Microsoft Knowledgebase article ?Description of security events in Windows Vista and in Windows Server 2008? for the most recent information about this setting: http://support.microsoft.com/default.aspx/kb/947226. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\Advanced Audit Policy Configuration\Audit Policies\DS Access!Audit Policy: DS Access: Directory Service Replication (2) WMI: ###