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ERROR_DS_DRA_CORRUPT_UTD_VECTOR
ERROR_DS_DRA_CORRUPT_UTD_VECTOR (8629) is an Active Directory replication error. The up-to-dateness (UTD) vector, which tracks replication knowledge, is corrupt for the affected operation. This is a replication-state integrity issue and should be treated cautiously.
What to check
- Collect the affected naming context, partner pair, and replication metadata before trying any topology changes.
- Compare UTD-vector output on a healthy reference DC and on the affected DC to establish the scope.
- Do not attempt to edit replication metadata manually; use a supported recovery or rebuild decision after assessing directory consistency.
Useful command
repadmin /showutdvec <DestinationDC> <NamingContext>Microsoft: Diagnose AD replication failures · Microsoft: Troubleshoot stale replication partners · Microsoft: Repadmin /showrepl
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