I know the original WLM msi installer is NOT svcpack compatible, Shark007 has one that is http://picsbook.net/shark007/index.html He also has a tutorial so you can edit the MSI with Orca to make it compatible with svcpack and admin install so you can patch and replace the DLLs with aPatch or Messpatch http://www.msfn.org/board/index.php?showtopic=65292 Here is 8.5 updated http://www.msfn.org/board/index.php?s=&...st&p=670613