Windows error 8484 (ERROR_DS_SRC_NAME

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: source and destination controllers disagree about the object name during a domain move.

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ERROR_DS_EPOCH_MISMATCH	ERROR_DS_SRC_AND_DST_NC_IDENTICAL

ERROR_DS_SRC_NAME_MISMATCH

The two domains are coordinating different source names

A cross-domain move is not a simple LDAP rename. The source domain controller and target helper must coordinate the identity and current directory state of the object while the object is recreated in another domain naming context. This status means the name supplied or observed on one side no longer matches the source object state known to the other side. A concurrent rename, stale replication, or a request built from an old distinguished name can produce that disagreement.

Resolve the source object by objectGUID on both participating controllers and compare its current distinguished name before retrying. Verify that the client sends the cross-domain move control to the intended target DC and that the selected source and target controllers have current replicas. Repeating the operation against the same stale controller can preserve the mismatch; changing only the textual DN without confirming object identity can move or diagnose the wrong principal.

What to inspect

Query the source object by GUID on both participating domain controllers.
Check for a recent rename or move that has not replicated to one side.
Confirm the target helper hostname in the cross-domain move control.

References

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