DRAG DROP
Your network contains an Active Directory forest named contoso.com.
Recently, all of the domain controllers that ran Windows Server 2003 were replaced by
domain controllers that run Windows Server 2012 R2.
From Event Viewer, you discover SYSVOL journal wrap errors on a domain controller
named dclO.contoso.com.
You need to perform a non-authoritative synchronization of SYSVOL on DC10.
Which three actions should you perform on DC10?
To answer, move the three appropriate actions from the list of actions to the answer area
and arrange them in the correct order.
Answer: 
– Stop the File Replication Service (FRS) service.
– Modify the registry
– Start the File Replication Service (FRS) service.
http://www.doitfixit.com/index.php?option=com_content&view=article&id=195:how-to-rebuild-the-sysvoland-netlogon-share-step-by-step&catid=48:active-directory&Itemid=53
Thx KKK, you the best man!
1. Servers were _replaced_ (so we have DFS)
2. It is not mentioned that you have to use ADUC or anything other, so you can use ADSI edit.
So the answer is:
1. Stop DFS
2. Update computer object
3. Start DFS