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RDP 2008 - terminal garbled when using 15bit colors

Did anyone seen a problem where terminal contents are mainly garbled when color number is set to 15bit? When I set 16bit, it is fine, but taxing to internet connection.

garble.png
I even have the same problem connecting to 2003 server with 256 colors, which works flawlessly otherwise.

Thanks!
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mrmut
Asked:
mrmut
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1 Solution
 
skijCommented:
On the "Experience" tab try changing the connection speed setting, and try changing the values of the checked boxes.
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mrmutAuthor Commented:
I did, and that does fix the issue, but why doesn't it work on 15bit setting?

This is not normal, and on servers limited to 256 colors (2003) can't obviously be changed.
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skijCommented:
It has to do with the way that Windows utilizes font smoothing.  The intent it to make the edges look soft but when you are working with a limited number of colors, it distorts the edges.
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NVITCommented:
Not at a station right now to confirm but... I recall seeing some sort of  font ClearType/smoothing/enhancement setting somewhere. Maybe try turning that off.

Also, I think you already tried this as mentioned by skij, but make sure the client has updated Remote Desktop Client that provides support for font smoothing: http://blogs.technet.com/b/askperf/archive/2008/07/01/terminal-services-and-cleartype.aspx
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skijCommented:
The "Font smoothing" checkbox is on the "Experience" tab when you connect.
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mrmutAuthor Commented:
OK, I tried this, and combinations, with no effect.

I also tried connecting thru terminals, but the same happened. The graphics are still garbled.

Any other idea or anything else to try?
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mrmutAuthor Commented:
Update: I also tried disabling clear type on server (Do not allow Font Smoothing GPO).
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skijCommented:
Try this:

Step 1: In the General tab, select "Save As..." and and create a .rdp file.

Step 2: Open the .rdp file in a text editor like Notepad.

Step 3: Find the line that reads something like:
session bpp:i:15

Change that line to this:
session bpp:i:8

Step 4: Save the .rdp file

Step 5: Open the .rdp file either by clicking on it or by opening it in the Remote Desktop Connection client.
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mrmutAuthor Commented:
Wow. I didn't know this was possible.

I tried it, and graphics are garbled all the same.
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skijCommented:
Try changing all these values.  If they are already set to 0 change the value to 1 and if they are already set to 1 change the value to 0:

videoplaybackmode:i:0
allow font smoothing:i:0
disable menu anims:i:1
disable themes:i:1
bitmapcachepersistenable:i:0
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mrmutAuthor Commented:
Tried it, still the same.

garble2.png
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skijCommented:
I do not have any additional ideas.  You may have to use 16bit.  Good luck!
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mrmutAuthor Commented:
Yeah... I came to thins conclusion too. :-(
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