Strange one for Support.
We upgraded a prod server to 5.5 and when opening the config tool from the control panel, it opens what seems to be an "old" version of the config tool (eg in the Visual Perspective it is missing the "Background" box), even tho the About menu says 5.5
FYI - if we open the config tool using AwareIM/bin/clientstarter.sh the version of the config tool is up to date and includes the "Background" box.