When starting Refresh, Replace, Sysprep and Capture with MDT 2010 Lite Touch, you may get the following error...

"Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed"

Here is the fix.

http://blogs.technet.com/msdeployment/archive/2009/09/18/fix-for-multiple-connections-to-a-server-or-shared-resource-by-the-same-user-using-more-than-one-user-name-are-not-allowed-problem-with-mdt-2010.aspx