A network contains an Active Directory forest. The forest contains three domains and two sites.

You remove the global catalog from a domain controller named DC2. DC2 is located in Site1.

You need to reduce the size of the Active Directory database on DC2. The solution must minimize the impact on all users in Site1.

What should you do first?

A.
On DC2, start the Protected Storage service.

B.
On DC2, stop the Active Directory Domain Services service.

C.
Start DC2 in Safe Mode.

D.
Start DC2 in Directory Services Restore Mode.