Link to Microsoft VHD.
Microsoft Windows Server 2008 is the next generation of the Windows Server operating system that helps information technology (IT) professionals maximize control over their infrastructure while providing unprecedented availability and management capabilities, leading to a significantly more secure, reliable, and robust server environment than ever before. Windows Server 2008 delivers new value to organizations by ensuring all users regardless of location are able to get the full complement of services from the network. Windows Server 2008 also provides deep insight into the operating system and diagnostic capabilities to allow administrators to spend more time adding business value.