Bitmap caching can cause problems when enabled for thin clients
It is generally advised by most vendors not to enable bitmap caching on a thin client computer as this is known to cause problems.
The problems can occur because a thin client does not have the same storage setup as a normal PC. When using a PC to connect to a remote desktop bitmap caching can help as it saves (caches) copies of frequently used images locally to disk, this allows them to be retrieved faster when they are next required. On a normal PC this is not an issue as generally there would be a sizeable amount of free disk space to store these temporary image files.
A thin client computer does not have local disk storage so any temporary files are held in the RAM. Using bitmap caching causes these temporary image files to fill up the system RAM more quickly than it would otherwise and this can lead to problems with performance and display issues.
The problems attributed to bitmap caching are usually display problems, such as flickering images or corruption of parts of the screen. If you experience this then disable the bitmap caching option, this will likely resolve the problem.
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