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PDA Errors connecting to an Exchange Server

Medium Priority
Last Modified: 2012-05-06
Have a single server that runs Exchange 2003.  Have a Sonicwall Firewall that has all the correct settings to allow communication with an exchange server.  Incomning and outgoing emails are running fine.  We have a situaiton where wheter we try to connect to the server with an IPHONE, TREO or Windows Mobile Device there are errors we beleive are at the server level and not at the firewall level.
Windows Mobile Error:
Your account in Microsoft Exchange Server does not have permission to
synchronize with your current settings. Contact your Exchange Server
Support Code:0x85010004

Treo Error:
AirSAMStateMachine.c 2214 6 HTTP/1.1 403 Forbidden Content-Length: 1549
Content-Type:text/html Server:Microsoft-IIS/6.0 MicrosoftOf

Certificate from "webmail.___.com" for acouunt could not be verified.

Does anybody have some suggestions for me on what to look at on the Windows 2003 SBS / Exchange Server to try and remediy why we can't get PDA's so communicate correctly with Exchange.
Watch Question

double check youre Outlook Mobile Access settings and make sure the account has it enabled.
Also try this

Global Settings – Mobile Services - Properties - Device Security

"Allow access to devices that do not fully support password settings"
and try and resync.
One possible cause of that error is that the server requires an SSL connection (i.e. https://) but the Treo is still attempting to connect to http:// - you could find out pretty quickly by temporarily turning off the "require an SSL connection" option on the web site in IIS.

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Of the 3 suggestions...
1) OMA is enabled for the user
2) the Global Settings had NO Device Security **all was being allowed
3)  SSL was turned off at the IIS level

Anybody else have some suggestions of where else to look?
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