Windows error 8333 (ERROR_DS_OBJ_NOT_FOUND): meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: the directory server cannot resolve the requested entry as an existing object.

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ERROR_DS_CHILDREN_EXIST	ERROR_DS_ALIASED_OBJ_MISSING

ERROR_DS_OBJ_NOT_FOUND

The requested directory object was not resolved

This status is an object identity failure, not a general server-connectivity error. The LDAP connection can be healthy while the target DN, GUID-based reference, or internal object reference does not resolve to an entry usable by the operation. Recent rename, move, deletion, or replication lag can make a cached DN stale.

Query the exact identifier against the same domain controller. For DN-based clients, parse the distinguished name according to LDAP rules and avoid rebuilding it from display strings. For applications that persist references, Active Directory object references and objectGUID are more stable across renames than a cached DN, although deletion still changes object lifecycle state.

What to inspect

Log the exact target identifier and server, not only the friendly object name.
Check recent rename, move, delete, restore, and replication activity.
Refresh persisted DNs from authoritative object references when the application design permits it.

References

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