RDP 8 on Windows Server Standard 2008 (not R2)?

Posted on 2013-06-22
Last Modified: 2013-07-11
Can you run RDP 8 on 32 bit Windows Server Standard 2008 (not R2)?

This client has a 32 bit Windows Server Standard 2008 server and he is having problems with RDP.  One problem shows up as an Error 56 "The Terminal Server security layer detected an error in the protocol stream and has disconnected the client."  The error source is "TermDD"

When he gets this error, he is typically (although I cannot confirm always) on one of his Fujitsu Lifebook laptops (running XP SP3 x32).  The slowness and occasional disconnect also happens to one of his tech support people when they RDP in using a VPN built into his SonicWall TZ210 (the TZ210 is between the router and the Cbeyond external internet connection.  It should have nothing to do with the internal connections AFAIK.)

The 16 bit app that he runs is based on Open Insight (or something very similar) and spikes the CPU it is on (we have set the affinity of the app to place it on a CPU that seems to not be used as much by the OS) at 100% whenever he prints to a network printer.  It stays spiked for 2 minutes after the print job.

He is running a 32 bit server because an ancient app that he depends on to run his business is an old 16 bit DOS app that he has been told requires a 32 bit server.  I am not even sure that is true.  Can't you run 16 bit DOS apps on 2008 R2 x64 or even 2012 x64?

I have upgraded his wi-fi to an ASUS RT-AC66U router.  The office is not that big - so distance is not an issue.  I can get great signal on my android phone using wi-fi analyzer to test signal strength (although the signal does go up and down a lot - and I saw it drop off altogether twice - but only for a second).

This has had him flustered for months.  I am new to his office and just reaching out to make sure that I have used every resource possible to try and fix his RDP connectivity issues.

Thanks so much for your help!
Question by:asciiassasin
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LVL 22

Accepted Solution

Larry Struckmeyer MVP earned 500 total points
ID: 39268660
According to this article:

you can install RDP8 on Server 2008 R2 64 Bit, which is the only version offered iirc.  Server 2008 R1 is not mentioned.

Are we to understand that both users experiencing connection problems are using Wireless from, in the first case a local notebook and in the second from outside to the edge router/firewall, then directly wireless to the RDP server?

Author Comment

ID: 39268667
Yes.  The problem is experienced from both inside the firewall on a wireless connection and from outside the firewall coming in via VPN using RDP.

Is there an RDP 7 that may help?  Any other thoughts on fixing connectivity issue?

Author Comment

ID: 39268827
I have updated the 2 Fujitsu laptops to RDP 7.0 (the end of the line for them).  But I am not sure that they will see much improvement.  

I know that the new features in 7.0 are only available when connecting to a Windows 7 or Windows Server 2008 R2 machine, but I hope that other improvements to the RDP client will result in fewer drops for the XP sP3 32 bit machines.

He has a Win 7 Fujitsu that is relatively new (compared to the XP laptops).  I am going to suggest that he try that machine all day Monday to see if he notices any improvement.
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LVL 22

Expert Comment

by:Larry Struckmeyer MVP
ID: 39269195
Sounds like a plan.  Still not understanding the remote users connection path.  One would expect a VPN from the mobile client to the router, then 3389 to the server for RDP, but the router and the server would usually be wired together.  Is this not the case?

Author Comment

ID: 39269198
The remote user connects to a VPN on the sonicwall firewall appliance. Once on the VPN, he connects to the server using RDP.

From outside the connection is internet>cbeyond modem>sonicwall VPN>router>rdp to server.  I internal WiFi

Author Comment

ID: 39269202
(Stupid mobile app. I hate it when a company cannot give the same capabilities to a mobile website that they do to desktop browsers. It shows a lack of imagination and skill.)

Internally it goes Wi-Fi>router>RSP to server.

Author Comment

ID: 39269205
That should be rdp not RSP. And it would be if we could edit comments on this slow, crippled mobile version of experts exchange site.
LVL 22

Expert Comment

by:Larry Struckmeyer MVP
ID: 39269213
One would then suspect the wi-fi, but guessing others use it without these disconnects?  

Since the server has the older version of RDP installed, what if the clients drop back?  What do the stations that work correctly use? Not really asking for my sake, just trying to help you narrow down the real issue.

Author Comment

ID: 39300302
The server actually has version 7 of RDP.  It is a Windows 2008 server (32 bit - NOT R2).

RDP 8 will only run on Windows 2008 R2 as far as I can tell.

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