An administrator is managing a recent implementation of Windows Server 2008 R2 Remote Desktop Session Hosts (RDSH) that are being used for Horizon RDS desktop pools. Users report that the Aero styled theme is not present.
Which step must the administrator take to enable the Aero styled theme on the RDS hosts?
A. Configure vDGA for the Remote Desktop Session Host (RDSH) virtual machine.
B. Configure the GPO setting Force a specific visual style file or force Windows classic.
C. Run the Windows Experience Index (WEI) on the Remote Desktop Session Host (RDSH).
D. Upgrade the Remote Desktop Session Hosts (RDSH) to Windows Server 2012 R2.
