Windows error 8436 (ERROR_DS_DRA_GENERIC): meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The Active Directory replication operation failed without a more specific DRA error.

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ERROR_DS_UNABLE_TO_SURRENDER_ROLES	ERROR_DS_DRA_INVALID_PARAMETER

ERROR_DS_DRA_GENERIC

ERROR_DS_DRA_GENERIC (8436) is an Active Directory replication error. This is a wrapper result. The actionable evidence is normally an earlier Win32, RPC, security, schema, or database error from the same replication attempt.

What to check

Find the first non-generic failure for the affected source, destination, and naming context in repadmin /showrepl and the Directory Service log.
Use a forest-wide summary to decide whether the failure is isolated to one partner or affects several domain controllers.
Do not treat this code itself as a network diagnosis; preserve the preceding error code and timestamp.

Useful command

repadmin /replsummary

Microsoft: Diagnose AD replication failures · Microsoft: Repadmin /replsummary · Microsoft: Troubleshoot AD replication problems

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