I had some trouble moving user objects in Active Directory by flowing a new distinguished name (DN) by using Outbound Synchronization Rule to my AD Management Agent. All my attribute flow where working just fine, it was just the moves / renames that wasn't getting through. I had a hard time figuring out the error.
Turned out that one of the attributes that I used for concatenating the new DN had no value (null) and this "broke" the entire concatenation of the string for the new DN without leaving any errors / trace.
Anyway, lesson learned and stored on this blog for future use :-) - see thread in forum here http://social.technet.microsoft.com/Forums/en-US/ilm2/thread/5c5b8c29-658b-4bf1-91b0-0f972a6f8384