Microsoft GPO software depoyment
Keep in mind that the deployed ‘.zap’ packages are only deployed to x86 machines by default
You need to select ‘Properties’ -> [Deployment] -> [Advanced] -> tag [Make this 32-bit x86 application available to Win64 machines]

http://www.windowsnetworking.com/articles_tutorials/Group-Policy-Deploy-Applications.html

http://social.technet.microsoft.com/Forums/en-US/winserverGP/thread/68937179-2315-44d0-8df8-752159418b2e

Information about new Group Policy preferences in Windows Server 2008