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ERROR_DS_DRA_SOURCE_DISABLED
ERROR_DS_DRA_SOURCE_DISABLED (8456) is an Active Directory replication error. The source domain controller is currently configured or forced to reject replication requests. This is a server-side state, so retrying from the destination will not resolve it until the source is healthy and enabled.
What to check
- Inspect replication options and Directory Service events on the source DC to determine why outbound replication was disabled.
- Check whether the state is intentional during maintenance, restore, promotion, or recovery.
- Before re-enabling anything, verify that the source does not contain stale or inconsistent directory data.
Useful command
repadmin /options <SourceDC>Microsoft: Diagnose AD replication failures · Microsoft: Troubleshoot stale replication partners · Microsoft: Repadmin /showrepl
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