You may have experienced an issue with a Remote Desktop connection to a Server 2008 in which you see black/white grid lines on all or on part of the screen.
This may look something like this:
It appears that this issue is linked to this update : http://support.microsoft.com/kb/958470/en-us
Changing the setting of the RD connection (bitrate, colors etc) doesn’t seem to help.
This issue will be resolved when upgrading the client?s RDP version to 6.0 or newer.