After about 18 months since Group Policy Preference were released with Windows Server 2008 Microsoft has finally release a migration tool to convert you PolicyMaker Group Policies to Group Policy Preferences. Here is the link to download the tool http://www.microsoft.com/downloads/details.aspx?FamilyID=35791cb6-710b-48c4-aaa1-90db170bcf2a&displaylang=en Source: Group Policy Team Blog : How do I migrate PolicyMaker Items to Group Policy Preference Items?