Home → Email → Exchange Server → Reset BES Synching on Blackberry
This process is to be used if the client is not receiving emails on his Blackberry AND there is not problem noted in the Status window for the BES.
On the BlackBerry, go to Options>Advanced Options>Service Books> and then delete the "Desktop Sync" and the "CMIME" then wait 30 seconds and then Un-delete them then let the device re sync.