We have a production server running 8.0.6 with 55 domains and some 71 accounts. 1 domain has issues with the calendar.
When a meeting request comes in from internal users you get a yellow triangle with an ! and the message Invitation is not current, at the bottom of the email message you get lots of *~*~*~*~ but there are no buttons to accept etc. The meeting is added to the calendar but with an action needed You have not responded to the invitation.
The times of the meetings are correct and with in date.
Anyone got an idea what is going on here and how I can fix it.