Managing a DAG
The purpose of a DAG is to host one, preferably more, copies of a mailbox database. In the following examples, we will have a look at the different tasks you, as an Administrator, might have to perform.
Getting ready
To execute the following steps, you need access to the Exchange Admin Center or launch the Exchange Management Shell.
How to do it...
We will cover various task related to DAG in this section:
Adding database copies
Through the EAC:
Login to the EAC and navigate to servers | databases.
Select the database for which you want to add a new copy and select add database copy.
Note
If you don't see the add database copy link, click on the three dots (...) to show more options.
In the add mailbox database copy window, select the mailbox server on which you want to create a new copy.
Set the Activation preference number to 2.
Click on save.
To add a database copy using the Exchange Management Shell, run the following command:
Add-MailboxDatabaseCopy –Identity DB01 –MailboxServer EX03...
