Your Exchange Server 2010 organization contains the servers shown in the following table.
Server1 and Server2 are members of a database availability group (DAG).
You shut down Server1. Some users report that they cannot access their mailboxes.
You need to ensure that all users can connect to their mailboxes if a single Mailbox server
becomes unavailable.
What should you do?
A.
Create a Client Access server array.
B.
Configure the shadow redundancy settings.
C.
Remove the Hub Transport server role from Server1.
D.
Add mailbox database copies to Server1 and Server2.