I already have seen that this problem was notified but it still don't have any answer for 2 years : https://techcommunity.microsoft.com/t5/microsoft-bookings/appointments-keep-canceling-in-bookings/m-...
I have created group appointment up to 100 people.
When one of the customer cancels it (it seems that it is specifically customer with a gmail email address) - from his email notification or via google calendar - it cancelled the appointment for everyone.
We set up the service to disable the functionnality "Allow clients to manage their appointments when booked by you or your team on their behalf" in base details, but we still have the option to cancel it as customer.
Another intriguing part is that you can find this option "Let customers manage their own appointments" for each appointment created, that you have to manually uncheck it for all of them, but in any case, it does not block the cancellation by a customer. Moreover, when a customer cancels, this option becomes active again automatically.
Is there not a solution that will be applied urgently on this subject?
This is a frustration for the customers and clearly a lack of viability
Hopefully this can help you
After an 8+ week investigation with "Premier Support" - the conclusion is that the toggle should be disabled:
https://ibb.co/KynXL9Q - image valid for 6 months
"Send a meeting invite to the customer, in addition to the confirmation email"
Clearly to everyone else, this doesn't mean if someone else cancels their place on the multi-seat booking then tell everyone else that it's cancelled.... hopefully a few folks running multi-seat bookings will find this helpful whilst Premier Support manage their way out of a paper bag.
Best Wishes
Elliot at Surrey
