The virtual hard disk (VHD) that you choose must have an image of a Windows Server version that can boot from a VHD, for ...

The virtual hard disk (VHD) that you choose must have an image of a Windows Server version that can boot from a VHD, for example, Windows Server 2008 R2. For more information about the operating systems that VMM supports for deployment, see the Deployment Guide. The File Server role and Failover Clustering feature in this operating system will be installed by default.