During RC session with option "Disable desktop wallpaper", the wallpaper is disabled and the background is black.
The wallpaper is restored when RC session is disconnected.
But if disconnect is made with Log Off option, the wallpaper remains black.
Client Automation 14.5 CU6
Open a case at CA Broadcom Technical Support and ask for the fix T55V432
This fix should be installed on Agent 14.5 CU6 and it replaces the file rchost.exe