Exchange 2003 SP2 FE/BE Configuration exesrvexch1 = FE exesrvexch2 = BE I can't find anything regarding this error, it shows up in the event logs when the users click send/recieve on their windows mobile devices. Forms Based Authentication is enabled on the frontend with SSL. - Gabe Event Type: Error Event Source: Server ActiveSync Event Category: None Event ID: 3005 Date: 4/24/2006 Time: 1:31:22 PM User: INQUERY\gmatteson Computer: EXESRVEXCH1 Description: Unexpected Exchange mailbox Server error: Server: [exesrvexch2.mydomain] User: [gmatteson@imydomain.biz] HTTP status code: [400]. Verify that the Exchange mailbox Server is working correctly. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
