The objects %1 and %2 may represent an object which was moved from 2 replicas of one domain to two different domains concurrently. The first object was preferred on this domain controller. Remove objects with GUID %3 from all other domains.
Event Information
According to Microsoft : CAUSE: The specified objects might represent the same object that was moved from two domain controllers in this domain to two different domains. The first object is preferred on this domain controller.
RESOLUTION: Remove the second object from all other domains.