Your network contains an Active Directory forest. The forest contains 10 domains. All domain controllers are configured as global catalog servers.

You remove the global catalog role from a domain controller named DC5.

You need to reclaim the hard disk space used by the global catalog on DC5.

What should you do?

A.
From Active Directory Sites and Services, run the Knowledge Consistency Checker (KCC).

B.
From Active Directory Sites and Services, modify the general properties of DC5.

C.
From Ntdsutil, use the Semantic database analysis option.

D.
From Ntdsutil, use the Files option.