From Joel Eidsath, Wed Feb 20 08:17:01 2008 Subject: TicketID#20080219191540
Yes, in fact user profiles on the local machines are deleted automatically except in rare cases. I believe that the only time it will not be deleted is when the machine can't talk to userhost when the user logs off, or the connection is too slow. I'm not sure though, it's an automatic Windows thing.
Worst case, the user will see his old Desktop, and then have to go through deletion on another machine. (The UC can actually check for instances of old profiles by logging into the Windows machine and looking inside the C:\Documents and Settings folder.)