Forum Discussion
Availability of on premise distribution groups during on premise outage
I run a hybrid exchange environment with Exchange 2016 and Exchange Online. I have a maintenance event coming up with my on-premise exchange server where it will be offline for a few days. I have 2...
It depends on how you are routing the messages and whether the groups are synchronized to O365. If the message is handled by ExO and the group is represented by a recipient object there, it should be expanded/resolved to the individual recipients and delivery will work.