I called support for this issue also they referred me to this as a starting point. Hope it helps
http://support.microsoft.com/kb/899704 From: David.Ricci [mailto:[email protected]] Sent: Thursday, July 02, 2009 8:38 AM To: MS-Exchange Admin Issues Subject: another Calendar Question The problem will not go away. Disappearing or duplicating calendar entries. I have Exchange 2003 sp2 and I feel should be patched. I do have an exec admin team that watch 10 execs calendars. I thought maybe there was a limit to how many people should look at or something to that affect. Thank you for any advice. David
