Look in Tools | Options | E-mail Options | Tracking Options. Is "Process requests and receipts on arrival" checked?

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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

"Kevin" wrote in message ...
About three weeks ago new invites in my Inbox stopped showing as Tentative
meetings on my Outlook calendar. No one else in the business is having this
issue...
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Thanks!