Microsoft Virtual Hard Disk (VHD)
The Microsoft VHD Test Drive Program provides customers with an enhanced server-based software evaluation experience that’s faster, better supported and more flexible. You can now access the entire catalog of pre-configured Microsoft and partner products and solutions in the VHD format and start evaluating and testing today from www.microsoft.com/vhd. of http://technet.microsoft.com/en-gb/bb738372.aspx