troubleshooting Question

Exchange ActiveSync Error 3005

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Amit82 asked on
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I'm trying to set up ActiveSync on a single SBS2003 server running Windows Server 2003 SP2 and Exchange SP2.  Everytime I try to sync up with an iPhone 3G, I get the following error in the Event Viewer:

Event Type:      Error
Event Source:      Server ActiveSync
Event Category:      None
Event ID:      3005
Date:            8/7/2008
Time:            8:29:33 PM
User:            Domain/User
Computer:      myserver
Unexpected Exchange mailbox Server error: Server: [myserver.domain.local] User: [] HTTP status code: [501]. Verify that the Exchange mailbox Server is working correctly.

For more information, see Help and Support Center at

So far, I've followed the instructions on the following knowledgebase articles:  (add host header for local netBIOS name) (method 2; add new exchange-oma virtual server) (method 2; reset exchange virtual directories)

- I have a valid SSL cert; OWA works fine in https or http.
- When I go to, I get an HTTP 501 error (not implemented), which is expected (or so I've read).
- When I go to, it tells me the device type I'm using is not supported, but otherwise let's me browse through my email in a text interface.  This is also to be expected (or so I've read).

What else can I check to figure out this problem?
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