http://blogs.technet.com/fabricem_blogs/archive/2008/11/19/hyper-v-update-pour-scvmm.aspxDescription of the Hyper-V update for issues that may occur when you manage the Hyper-V role on the 64-bit editions of Windows Server 2008 by using SCVMM http://support.microsoft.com/kb/956589/en-us téléchargement de la mise à jour : http://www.microsoft.com/downloads/details.aspx?FamilyId=FD44B4E3-2DCC-4299-B345-BC09A9A37B60&displaylang=efrCommunityServer 2.1 SP1 (Build: 61025.2)