What are the exact symptoms of your problem? And in what version, including build number, of Outlook?

--
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx

"אסף" wrote in message ...
We have the same problem with a public calendar folder of a meeting room. I
was told to check if the users who get the copy of the meeting are set as
authers or editors of the folder, but that didn't fix the problem.
It happens randomly.