Autodesk are picking the wrong GPU when connectint with XenDesktop

We are testing Win 10 and XenDesktop 7.6 and when I connect to the VDA Everything works and you can see, using GPU-Z, that it uses the vGPU profile (180Q) but when I start AutoCad Arch. 2015 it picks the “Citrix Display Only adapter” and a consequence is that AutCad reports that it is not using hardware acceleration. I have a really ugly workaround which includes removing NTFS rights from a HKCU regkey etc and that can’t be the correct way I hope…

Has anyone else seen this behaviour and perhaps have a solution to getting AC to pick the GPU instead of the default driver??

See this thread