-664 FFFFFD68 OLD EPOCH

Source

eDirectory™

Explanation

An attempt was made to manipulate objects on a server that is using an older epoch of the data.

Warning:

Applying all solutions mentioned in this topic could make the problem worse if the actual cause of the problem is not known. Before following a course of action, make sure that you understand the cause of the error and the consequences for the actions suggested.

Possible Cause

This error could occur during the inbound replica synchronization process. If the following message is displayed while using DSTRACE with the Synchronization flag set on the source server, then the target server has an older epoch than the source server.

UNMATCHED EPOCHS on <ReplicaRootEntryID>--> LOCAL EPOCH: EpochNumber <TargetServer EntryID> EPOCH: EpochNumberReplicRootEntryID TO BE UPDATED TO NEWER EPOCH.

Action

This error is transitory and will be handled by the eDirectory replica synchronization process.

Possible Cause

This error could occur during the eDirectory Schema synchronization background process. If the following DSTRACE message is displayed while using DSTRACE with the Schema Synchronization flag set on the target server, then the target server has a newer epoch on its eDirectory schema than the source server.

SCHEMA: Error -644 in DSAStartSchemaUpdate for <SourcServerEntryID>

Version: DSARequestVersion Epoch: Timestamp:ReplicaNumber

Action

This error is transitory and will be handled by the eDirectory Schema Synchronization process.

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