You have an Exchange Server 2010 organization that contains five Mailbox servers. The Active Directory domain contains five domain controllers in a single site.

You create a new mailbox database.

You discover that the database fails to mount.

You need to ensure that the database mounts as soon as possible.

What should you do?

A.
Force the replication of the Active Directory Domain partion between all of the domain controllers.

B.
Configure all domain controllers as global catalog servers.

C.
Force the replication of the Active Directory Configuration partition between all of the domain controllers.

D.
Install the Exchange Server 2010 Administration tools on a domain controller.