http://blogs.msdn.com/b/virtual_pc_guy/archive/2009/01/29/hyper-v-r2-live-migration-overview-architecture.aspxThere is a new whitepaper that details how live migration in Windows Server 2008 R2 and Microsoft Hyper-V Server R2 works: http://www.microsoft.com/downloads/details.aspx?FamilyID=fdd083c6-3fc7-470b-8569-7e6a19fb0fdf&amp;DisplayLang=en Cheers, Benen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/virtual_pc_guy/archive/2009/01/29/hyper-v-r2-live-migration-overview-architecture.aspx#9435679Fri, 20 Feb 2009 11:47:25 GMT91d46819-8472-40ad-a661-2c78acb4018c:9435679Benjamin Armstrong<p>Ed Swindelles -</p> <p>This is not a supported configuration, and I do not know how it would work.</p> <p>Cheers,</p> <p>Ben</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9435679" width="1" height="1">http://blogs.msdn.com/b/virtual_pc_guy/archive/2009/01/29/hyper-v-r2-live-migration-overview-architecture.aspx#9385230Fri, 30 Jan 2009 23:12:14 GMT91d46819-8472-40ad-a661-2c78acb4018c:9385230Ed Swindelles<p>Do you know if the volume that the VHD configuration files live on can be a CIFS/SMB share with Live Migration? &nbsp;In that case, they wouldn't appear as a resource in the Failover Cluster Management MMC, right?</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9385230" width="1" height="1">