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ERROR_DS_SRC_AND_DST_NC_IDENTICAL
The operation chose a cross-domain path for an intra-NC move
Active Directory separates ordinary moves within one naming context from cross-domain move processing. If both source and destination are in the same NC, the cross-domain protocol is the wrong operation even when the parent containers have different DNS-looking labels or administrative ownership.
Determine NC membership from partition boundaries, not by comparing only OU names or server names. Two DCs can host replicas of the same domain NC, and moving an object between containers in that NC remains a local ModifyDN-style directory operation. A client that selects the workflow based on which DC it contacted can make this mistake.
What to inspect
- Resolve both source and destination parent DNs to their NC heads.
- If the NC head is identical, use the supported same-NC rename/move operation rather than a cross-domain move API.
- Review client routing logic when different DCs caused the workflow to assume different domains; server identity and NC identity are not interchangeable.
References
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