VMware periodically comments on Microsoft policies around virtualization.These papers are listed in order of publication.New papers may be added from time to time.
Microsoft Virtualization Licensing and Distribution Terms, 2007/02/23
Microsoft's licensing and business practices for virtualization, including restrictions on common usage.
Addendum to Microsoft Virtualization Licensing and Distribution Terms, 2007/04/30
New developments and additional details related to the 2007/02/23 white paper.
Microsoft Virtualization Policies, 2008/06/11
Changes in Microsoft practices since April 2007 and issues still to be addressed as of June 2008.
Microsoft Virtualization Policies, 2008/09/10
Updates to Microsoft support and licensing policies are a welcome step in the right direction.
