Enable MsRdpClientShell Class in GPO

Hi,

I have set up RDS 2012 R2 for Windows 8.1 clients. At first logon to RDS, users are being asked to allow Active-X addon for MsRdpClientShell Class.

I'd like to do this via GPO. How could i do this?

This posting is provided "AS IS" with no warranties or guarantees and confers no rights