QuoteAccording to Microsoft's Windows Vista End User License Agreement (EULA), the platform's Home Basic and Home Premium editions cannot be run as a virtual machine (VM). Such restrictions do not apply to the business versions of the OS. "Today, customers using this technology are primarily business customers addressing application compatibility needs or technology enthusiasts," the spokesperson said. "For everyday use, Windows Vista Home and Home Premium cannot be installed in any virtual machine technology, but Business and Ultimate versions can. Each virtual installation of Windows requires a new license just as it was for Windows XP."