How to assign a Group Policy to Computers using WMI
Most advanced way to apply Group Policy is to use WMI filtering. This allows administrators to define set of computers using WMI query. For example, you can apply a particular GPO to all computers in the domain that runs Server 2008 version 6.0.6001. WMI filter would be something like “select * from win32_operatingsystem where version=’ 6.0.6001'