Thursday, October 15, 2009

Blackberry Enterprise Server Controller Service Fails to Start - Error 5003

Issue: Client reports that Blackberries are no longer syncing with the server. Notice that the "Blackberry Controller" service is stopped and when restarted fails with Error 5003.

Solution: Stop the "DNS" service and then restart the "Blackberry Controller" service. Here is a convenient script for it:

net stop "DNS Server"
net start "BlackBerry Controller"
net start "DNS Server"

There is apparently some issue with DNS conflicting with some port or ports required for BES. Some have suggested making the "DNS" service dependent on the "Blackberry Controller" service but I don't know if I would go that far. Some have also attached that script to the recovery tab of the "Blackberry Controller" services properties.

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