I have an SBS 2003 server that has 5 or so Iphone users on it. Every so often, maybe a few days, maybe a couple of weeks. The iphone users loose their ability to sync. Server reboot fixes it. Resetting the Exchange services doesn't fix it.
I am getting the following errors:
Exchange mailbox Server response timeout: Server: [WCSRVXX.DomainName.local] User: [firstname.lastname@example.org]. Exchange ActiveSync Server failed to communicate with the Exchange mailbox server in a timely manner. Verify that the Exchange mailbox Server is working correctly and is not overloaded.