DAG configuration for full installation of exchange2016 4 nodes

First, create a new database and set the database path to E:\Microsoft\Exchange Server\DataBase\

Complete the database creation of Mbox1,Mbox2,Mbox3,Mbox4,Mbox5

Next up is DAG configuration

Add the exchange trusted subsystem to the domain administrators group

Create a new database availability group DAG, enter the name of the witness (AD is selected as the witness here), and enter the availability group IP address

The witness folder DAGFileShareWitnesses is automatically generated in the master domain control (if the witness directory is not specified in the previous step, the default name is DAGFileShareWitnesses)

Add Availability Group Members EX1-4

Add Witness Folder Permission

Select Configure Network Manually

More than 2 nodes are recommended to enable dagonly

Add copies of each database to other mail servers according to the schema document design

Complete all database replica creation