VM Windows Server 2016 TP5 not working with RemoteFX adapter.

Hey

I'm trying to use RemoteFX adapter on my VM with Windows Server 2016 TP5, but whenever I add a RemoteFX Adapter to my VM, the VM doesn't start. Hangs on Windows logo. Without RemoteFX it's working fine. I even can find Microsoft RemoteFX Graphics Device - WDDM driver in the Device Manager.

I've done every step from this site http://social.technet.microsoft.com/wiki/contents/articles/31771.experience-guide-for-enabling-opengl-support-for-vgpu-in-server-2016.aspx

My host OS is Hyper-V Server 2016 TP5
My guest OS is Windows Server 2016 TP5

I've tried it with both 1 and 2 gen VM.

My GPU is FirePro v5800. CPU E5620. Server Dell R410.
The newest GPU drivers are installed.

Any ideas what can be a problem?

Wojciech