The Aero glass interface has stop working in Beta 3

hi

i had feb cpt installed , connecting server using vista, , glass interface working fine (remote desktop)

i installed beta 3 , glass interface not working anymore.

i did possible configuration changes , nothing happened cannot work.

is bug in beta 3?

we still determining extent of aero glass support release.

 

have enabled themes service , installed desktop experience pack  - should able @ least basic aero work (not glass).

Windows Server  >  Remote Desktop Services (Terminal Services)