Understanding USMT with MDT 2010
From the archive (2009). Written for the tools of the time, so some details may be out of date.
Been a lot of questions on the lists lately about USMT and which version to use with what OS, and the fact that USMT 4.0 doesn’t support restoring to Win XP. Tim Mintner put together a great post explaining USMT within the workbench (LTI) and within ConfigMgr (ZTI).
Take a look:
http://deployment.xtremeconsulting.com/2009/11/20/understanding-usmt-with-mdt-2010/
-Chris