Group Policy Administrator 5x
Group Policy Administrator 6x
No GPA 5.0 dose not support Multiple Group Policy Preferences Client Side Extensions for Windows Server 2008.
No this feature did not make the GPA 6.0 cut line. We are targeting another release as quickly after 6.0 as we can that will pick up this feature. We don?t have a date for that release yet, but we are starting release planning for it .