http://blogs.technet.com/b/puneetvig/archive/2010/07/27/supported-applications-and-supported-guest-os-on-hyper-v-r2.aspxSupported Applications: The following applications are supported on Hyper-V . Supported Operating System Support: This list shows the set of supported guest OS on Hyper-V with vCPU configuration:   Supported Client Operating Systems: The followingen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)