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Virtualizing: Microsoft® Tier 1 Applications with VMware vSphere™ 4 by Hemant Gaidhani, Alex Fontana, Charles A. Windom Sr.

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Monitoring Active Directory Replication

Accurate timekeeping is also essential for the replication process in a multimaster directory environment. Active Directory replication uses USNs to determine what changes to pull from its replication partners.

Domain controllers only look for records newer than their own. If simultaneous changes made on different domain controllers result in identical USN numbers, time stamps are used as one form of tie-breaker. In a multidomain controller or multidomain environment, the successful exchange of Active Directory database information with replication partners is vital.

Utilizing tools to determine paths of connectivity and site replication will ensure consistent and accurate databases. You must regularly ...

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