Actually, the problem probably stems from the OP having the outlookaddinsetup program from Dell on the computer. This file causes since appointments to become recurring. If the OP removes that program (control panel-add/remove programs), the problem goes away.

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Milly Staples [MVP - Outlook]

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After furious head scratching, Lorenzo Vignato asked:

| On 21 Feb, 02:38, Judeaustralia
| wrote:
|| When a user tries to book a resource, the message " Resource
|| namehasdeclinedyourmeetingbecause it isrecurring. You must book
|| eachmeeting separately with this resource". Actually the user is not
|| bookingrecurring
|| meetings. He is only booking onemeeting. I went through the Microsoft
|| Article ID 817420 and found that Office XP service pack2 is to be
|| loaded. But
|| our environment is Office 2000. and we have loaded Outlook 2003 for
|| emails.
|| Our exchange server is 2003.
|
| Change some resource scheduling parameter for the resource from
| Outlook. For instance, uncheck "Decline conflicting meeting requests".
| This generates fresh free/busy info for the resource. You can then go
| back and check it again - the free/busy info will get refreshed yet
| again.
|
| This should solve the issue!