Active Directory Domain Services was unable to remove all objects in this subset of lingering objects on the local domain ...

Active Directory Domain Services was unable to remove all objects in this subset of lingering objects on the local domain controller. All objects in this subset on this domain controller have had their existence verified on the following source domain controller. 
 
Source domain controller: 
%1 
Number of objects in this subset that were not deleted: 
%2 
 
The lingering object removal process will continue on the next subset of objects. Past event log entries list the lingering objects that could not be deleted. 
 
Additional Data 
Error value: 
%3 %4