Novell GroupWise 2012
One user has reduced their folder count to 4,132 folders in the cabinet.
When the user had a larger number of folders, they were not able to receive notifications of new mail messages. If you right click on the Notify icon |Options | General, the 'Select folders to check for notifcations' window would be completely blank.
After the user reduced the folder count to 4,132, that window was then populated and notify worked properly.
This has been reported to development.