You may want to take a look through this thread,
http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=772465&SiteID=17,
and see if any of the ideas there help you -- seems like a lot of folks
solved that error code problem that way. Hopefully that will also fix the
issue of your contacts and appointments disappearing. If it doesn't, you
might want to repost your question in an ActiveSync forum, as this is much
more of an ActiveSync issue than it is an Outlook issue. Good luck.
--
Jocelyn Fiorello
MVP - Outlook
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