How long does it take to stop processing?
When we had our old 2.2 BES on Windows 2000 it did something similar to this about every 3 or 4 weeks. We would restart and it would be fine. I did not have to play with the services though.
You could try updating to 4.1.5.
Technical Engineer III
BES was decommissioned. Currently using iPhones with Lotus Notes Traveler 9.0.