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dtd646
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Joined May 04, 2021
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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 questions: 1. My on-premise exchange 2016 server still currently houses all my distribution groups that are internally and externally available. All of the user mailboxes are in Exchange Online. If I shutdown the Exchange 2016 on premise server, will the distribution groups still work if my hybrid setup is configured properly? 2. If I flip my mail routing to flow through Exchange Online first, will exchange online deliver messages with a destination for the on-premise exchange server? Thanks in advance.801Views0likes1Comment
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