Meeting acceptation not showing in calendar

Hello all

Does anyone have already experienced the following?

A user is working on his local mail file replica and connects remotely to replicate with its home mail server. When he accepts an invitation for a meeting this meeting doesn’t appears in the calendar views, but if he accepts an invitation when he’s in the office it they shows ?

The meeting requester receive in both case the acceptance notifications

Details: Win XP Pro, servers and clients are R.6.5.4

Thanks for sharing

Regards

Six