Does someone has any experience with similar issue?
We have created a meeting where invited were all users in 1 distribution group.
Clicking on the group shows us about 121 users. When we try to look to the meeting, we can see 60-80 users. When we try to look in "tracing" there's also just 80-90 users. Also users has reported to us, that even we couldn't find them in the list, they have received and accepted the invite.