While replicating changes from a source directory service, a request to delete the following critical system object was detected. ...

While replicating changes from a source directory service, a request to delete the following critical system object was detected. This deletion will be reversed. The object originated at the following directory server. 
 
Critical system object:
%1 
Originating directory server:
%2 
Originating timestamp:
%3 
 
Active Directory Domain Services will not delete the object, but the object will be marked as authoritative on the local database. This object will then continue to replicate to other directory servers. 
 
Changes made to the object just before the deletion operation may or may not have been preserved. Some distinguished name references to or from the deleted object may not have been restored. 
 
User Action 
Inspect the contents of this object on the other directory servers for any inconsistencies.