http://blogs.technet.com/virtualworld/archive/2008/03/28/hyper-v-manager-mmc-available.aspxlets get the tough stuff sorted! the downloads are here ; Vista x64 Edition: http://www.microsoft.com/downloads/details.aspx?FamilyId=450931F5-EBEC-4C0B-95BD-E3BA19D296B1&displaylang=en Vista x86 Edition: http://www.microsoft.com/downloads/details.aspx?FamilyId=BC3D09CC-3752-4934-B84C-905E78BE50A1&displaylang=enen-USCommunityServer 2.1 SP1 (Build: 61025.2)