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Terminal Server/Remote Desktop Black Spots/Splotches

Posted on 2007-08-01
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Last Modified: 2013-11-21
I am running a WIndows Standard 2003 R2 Server with Terminal Services as a Virtual Machine using VM Ware. Users are connecting to the Terminal Server with Wyse XP embedded thin-clients via RDP V6. Users are reporting black splotches appearing after working for a couple of hours. Logging off and back on or closing the Remote Desktop Connection and reconnecting resolves the problem. Has any one ever seen this behavior on a Terminal Server session before?
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Question by:menreeq
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Netman66 earned 500 total points
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Tune the RDP client for the LAN, and perhaps uncheck some of the boxes on the Experience tab.

It sounds like there is congestion on the LAN segment.  

You could always look at some network performance data from something like MFRC.
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by:Rob Williams
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For the record, last post in the following link implies this is a known issue with the Wyse units. Have you tried contacting them, or updating the firmware?
http://www.vmware.com/community/thread.jspa?threadID=63429&tstart=0
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by:Netman66
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Good catch Rob!

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by:Rob Williams
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:-) Don't you love Google
How's life Netman66 ?
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by:menreeq
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Tuning the RDP client worked, it was a combo of having it set to 32-bit instead of 16-bit and Bitmap caching. Thanks
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by:Netman66
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Hi Rob, sorry I missed your post.

Glad to help menreeq.

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by:JonBurns
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For our organization, just disabling the Bitmap caching seems to work.
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