http://blogs.technet.com/usmt/archive/2008/06/26/all-about-migration-performance.aspxIncreasing the efficiency of MigXML is all about making each individual include or exclude pattern as specific as possible and ensuring that the component operates in the proper context. For example, the following component is extremely expensive to includeen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/usmt/archive/2008/06/26/all-about-migration-performance.aspx#3140891Thu, 23 Oct 2008 17:54:52 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3140891vgacitua<p> Hello guys, thanks for your excellent work. I have a little problem using 3.0.1 with standard XML and i cant find any information about that; when use USMT inside MDT 2008 i have many files that i dont want to be migrated in the new machine, (examples boot.ini, autoexec.bat, etc). how i can prevent this happen? (sorry about my english).</p> <p> Thanks in advance.</p> <p> V&#237;ctor Gacit&#250;a C.</p> <p> IT Consultant</p> <p> Chile.</p>