I ran into the same error with a new Sprint PPC 6700 running Windows Mobile 5.0, ActiveSync 4.1 and Exchange 2003 SP2. It turned out to be an issue with the way that I had OWA configured. I had configured Outlook Web Access to use Forms Based Authentication under the Exchange Virtual Server Properties under the HTTP Protocol in System Manager. This then requires that you have a few things changed from the default in IIS. First, using Forms Based authentication requires SSL - So you have to require SSL on the Exchange Virtual Directory in IIS. In addition, Integrated Windows Authentication is then disabled and Basic Authentication is enabled under Authentication and Access control. Long story short, I reversed the above changes back to the defaults and was able to Sync with my Exchange Server. I will post an update as soon as I am able to sync sucessfully with the above settings re-enabled. Hope this helps a little
Regads,
Jason
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by: harde077Posted on 2005-12-07 at 03:31:18ID: 15435127
TRy this, it worked for me on 1 exchange server, for another one it didn't work out.... http://support.microsoft.c om/kb/8173 79
regards,
remo