Unknown Devices in Remote Desktop Services VM using RemoteFX on Hyper-v using Server 2008R2

Im trying to solve the 'slow/choppy Flash video' issue on a RDS system I have and thought I'd try RemoteFX for RDS.  My setup is as follows, I have a Windows Server 2008R2 Sp1 server running Hyper-v and it has a Windows Server 2008R2 Sp1 VM running RDS.

Ive installed the RemoteFX components on the Hyperv host which makes the 'remotefx 3d video' option available to the RDS VM.  Ive enabled that and reinstalled the hyperv integration disk into the VM but I still get two unknown devices when I check device manager on the RDS VM - the video adapter is the standard VGA one so Im guessing the unknown devices are to do with the remotefx video adapter.

My hardware is an i7 930 and a Geforce 610 video card.

What am I missing?
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Davis McCarnOwnerCommented:
Double click on the unknown devices and, on the Details tab, you will find something like PCI\VEN_10DE&DEV_0A65 .... In Vusta, 7, 8, and 2K8, you can swipe across that ID, right-click and copy, then paste it into a Google search which will tell you what the device is.  Just be careful about all the "driver" sites which will want you to install their junkware and maybe pay money.

If you need more help, paste those ID's into your next post.
David Johnson, CD, MVPOwnerCommented:
or paste the id's into update.microsoft.com and use the Microsoft Catalog
Another way...get the DEV_XXXX bit - that 4 digit XXXX and go here


Put the Dev number into the Search Devices and it will tell you what the hardware is

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