In Windows Server 2012 Release Candidate, Hyper-V administrators can monitor the ‘health’ of the replicating VMs using the Replication Health attribute. This property allows administrators to answer common questions such as:
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When did the primary and replica VMs last synchronize?
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What is the average size of the replica file?
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Were there any errors encountered during replication which requires your attention? etc.
The two-part FAQ post explains the concept of Replication Health and provides guidance on how to interpret the attribute values.