лицензирование Microsoft Windows в виртуальной среде

Углядел тут ссылку:
Microsoft Volume Licensing Brief: Licensing Microsoft Server Products in Virtual Environments.
Date Published:1/20/2010.

This white paper describes Microsoft licensing models for the server operating systems and server applications under virtual environments. It can help you understand how to use Microsoft server products with virtualization technologies, such as Microsoft Hyper-V technology, Microsoft Virtual Server 2005 R2, or third-party virtualization solutions that are provided by VMWare and Parallels.