Error 0x80830003 with ActiveSync and a Cingular 8125

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Scenario:

SBS2003
4 devices - all sync fine

  • 2 Cingular 2125 SmartPhones
  • 2 Cingular 8125 PocketPC Phones

Install Exchange 2003 Service Pack 2

  • 2 Cingular 2125 SmartPhones still sync
  • 2 Cingular 8125 PocketPC Phones error with 0x80830003

Solution (workaround):
On the 8125 device(s), click start -> settings -> connections -> connections.  Cingular appears to have renamed “My ISP” to “MEdia Net”.  Click “Edit My Proxy Server” under “MEdia Net” and UNCHECK “This network uses a proxy server to connect to the internet”.  By default it was set to “wireless.cingular.com”.  Soft reset the device.

Note we believe this issue to be related to 0x8503001A (IIS compression settings) but has been unconfirmed.