‘Exch19’ cannot be removed from the database availability group because the mailbox database ‘Mailbox19’ has multiple copies.

Removing a mailbox server from an Exchange Server with Database Availability Group (DAG) setup is quite easy. However, it may block or disable the automatic failover protection and database recovery.  Thus, it is not recommended to remove a mailbox server from DAG unless you encounter issues with the mailbox server, need to upgrade the server […]