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Remote FX USB redirection available in 2012 Virtualized Hyper-V sessions

Posted on 2012-08-15
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Last Modified: 2012-08-28
I would like for Windows 7 users who log into a HyperV virtualized Terminal Server hosted on a Windows 2012 server to have USB re-direction available to them while they are in their Terminal Session via the new 2012 RemoteFX.  

1)

a) Possible? If so what are the steps/requirements at the server, VM and the workstation
end?  Example Server has to be running xxx with video card yyy and VM has to running OS zzz ....

b)  What is the impact on video traffic via remote FX? Can  the traffic be shaped in some way - QOS-type situation?

2) If not available currently via Microsoft product available through any third-party products - links would be appreciated?
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Question by:lineonecorp
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LVL 125
ID: 38299281
1. It's possible if you meet the minimum requirements for RemoteFX

a. SLAT compatible Processor.
b. Certified graphics card for use with 2012, standards have changed, and it now has to be DirectX 11 Certified.

see here

http://technet.microsoft.com/en-us/library/ff817602%28v=ws.10%29.aspx

VMware View supports USB Redirection

http://www.vmware.com/products/view/overview.html
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Author Comment

by:lineonecorp
ID: 38301822
Thanks for the quick and authoritative response.

As far as "b)  What is the impact on video traffic via remote FX? Can  the traffic be shaped in some way - QOS-type situation?"

What I was referring to was a situation where I have USB phones and Lync server utilizing  Remote FX's USB redirection from a TS VM.   Any thoughts on bandwidth issues between 'phone' traffic over USB and video streaming to the desktop?
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LVL 125
ID: 38301872
You would have to rely on routers/switches to perform your traffic shapping. Any realtime traffic will cause an increase in bandwidth.

Should not be an issue with Local LAN connectivity for USB redirection and VOIP, and USB phones.

Although, it remains to be clear, what the future holds for Lync!
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Author Comment

by:lineonecorp
ID: 38307112
One final question as far as graphics card.  Do we definitely need the kind with the specs you refer to for this?  What features drop out if you are trying to do this with a video card not on the list? All of RemoteFX/USB redirection goes away or a subset of the features go away?
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LVL 125

Assisted Solution

by:Andrew Hancock (VMware vExpert / EE MVE^2)
Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 38307609
RemoteFX features are not enabled unless you have

1. SLAT enabled CPU
2. DirectX11 Certified graphics card.

USB Redirection is a feature of RemoteFX. So with a graphics card, no usb redirection.

Cheapest Graphics card we've found that supports DirectX11 is the ATI Radeon 5400, this works, but is not officially support, but in the UK, only costs £19!

But it will give you USB Redirection, but do not expect blistering speeds of video for users.
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Author Comment

by:lineonecorp
ID: 38308402
Thanks - especially the tip about the Radeon 5400 - good for lab setups.  

You write:
"USB Redirection is a feature of RemoteFX. So with a graphics card, no usb redirection."  That 'with' should be 'without'?  

Also are you referring to RemoteFX in a virtualized RDS  or RemoteFX period even physical? I was under the impression that you could have some form of RemoteFX even if you didn't have a special video card just by turning on the Group Policy if you were using a Remote Desktop Server running physically not virtualized - you just couldn't get certain types of higher level graphics output - at least in 2008 R2.
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LVL 125
ID: 38308457
Correct - without a typo.

RemoteFX is not enabled without certified GPU and SLAT enabled processor. Virtual or physical. USB redirection is part of RemoteFX. No remotefx no usb redirection.

you can easily tell by looking at event log when connecting with RDP7 client.
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Author Comment

by:lineonecorp
ID: 38309028
This is what I was referring to about RemoteFX without a special video card (italics mine.)  
++++++++++++
http://searchvirtualdesktop.techtarget.com/update-confirm?fromURL=http%3A%2F%2Fsearchvirtualdesktop.techtarget.com%2Fregister-confirm%3FfromURL%3Dhttp%253A%252F%252Fsearchvirtualdesktop.techtarget.com%252F

The hardware requirements for Microsoft RemoteFX in Windows Server 2012 are somewhat diminished from Windows Server 2008 R2 Service Pack 1. The earlier version required a physical graphics processing unit (GPU) that supported RemoteFX functionality.

That requirement is no longer the case, although Windows Server 2012 will see improved performance if you have a supported physical GPU.
The platform can optionally use a DirectX 11-capable virtual GPU (vGPU) if there's no physical GPU in the server.

So does that mean that I can get USB redirection in a TS/RDS VM because it has nothing to do with graphics with a graphics card that doesn't support higher levels of graphics processing e.g. 3D acceleration?

++++++++++++
I'm not sure what the last sentence means -
"The platform can optionally use a DirectX 11-capable virtual GPU (vGPU) if there's no physical GPU in the server." So a computer without a graphics card? What is a vGPU - software?"

Input would be appreciated.
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LVL 125
ID: 38309137
From what we have seen, RemoteFX is not enabled if no GPU cardm, and if you had a card that worked with 2008 R2, it does not work with 2012.

May have time this week to confirm....
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Author Comment

by:lineonecorp
ID: 38309821
I am not in a hurry so I would appreciate confirmation whenever you can.
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LVL 125
ID: 38309885
No problems, look at it this week.
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Author Comment

by:lineonecorp
ID: 38309897
Our answer might be here.

http://myworldofit.net/?p=830#comment-204

Let me know if you think it is.
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Accepted Solution

by:
lineonecorp earned 0 total points
ID: 38326756
Confirmed via Microsoft RemoteFX USB redirection is available in a virtualized 2012 TS without a GPU. Thanks for assistance.
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Author Closing Comment

by:lineonecorp
ID: 38340089
My comment was a definitive precise answer from Microsoft directly on the question.
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