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RDP Data Encryption Error

Posted on 2013-01-28
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1,268 Views
Last Modified: 2013-01-31
Host OS/Specs:
Windows 7 Enterprise (64-bit)
SP1
Intel i7
8GB RAM

VM OS/Specs:
Windows 7 Enterprise (64-bit) running in VMware Player 5.0 build 821388
SP1
Intel i7
2GB RAM

I've got a client that I connect to their VPN via FortiSSL connection through a browser.  I then RDP to a VM in their environment running Windows Server 8.  I was able to RDP from my VM with no problems.  Now, I get the following error when trying to connect via RDP 'Because of an error in data encryption, this session will end.  Please try connecting to the remote computer again.'  The customer has stated nothing has changed on their side.  The odd thing is I can connect to them from my host OS, but not through my VM.  Both Host and VM are running the same OS with same service packs, so they're basically the same.  The NIC on the VM is configured for NAT, which it always was.  I'm thinking it has something to do with Windows Updates, but I'm not sure which one would cause this issue.

UPDATE:  nothing gets logged in the Windows logs when this error occurs.
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Question by:darrennelson
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by:Ayman Bakr
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by:darrennelson
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yeah, I don't have anything in my DMZ.  I know it's nothing related to my hardware because the same thing occurs when I go into my office.  It's definitely related the VM image.  I'm creating a new one now with Win8 to see what happens.
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Ayman Bakr earned 500 total points
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Check this thread which looks somehow similar to your case and the hotfix mentioned in the last post:

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Remote_Desktop-Terminal_Services/Q_25110490.html
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by:darrennelson
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from your link, it worked for me.

"called microsoft and used my support agreement.
apperently its a known issue w/ windows 7 and server 2008 sp2 or 2008 r2, they sujected to take mstsc files from an xp machine and toss it onto the windows 7 pc. (worked for me)
they dont have a fix for it yet. they have known about it for about a month."
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