I have MOSS 2007 server with several calendars that need to be
synchronized with several Outlook users. Some of the Calendars work
with no problem, some give an error code in Outlook "Task
'SharePoint' reported error (0x080004005):'An error occurred either in
Outlook or SharePoint. Contact the SharePoint site administrator" .
When looking at the advanced options for the SharePoint list Options
while connecting the calendar to outlook the Server Version is "Not
Available". I can not find any setting that are different between the
calendars that do work and those that don't.