Your network contains an Active Directory domain. The functional level of the forest and the domain is Windows Server 2012 R2.
The domain contains 500 computers that run Windows 10. All the computers are managed by using Microsoft System Center 2012 R2 Configuration Manager.
You need to enable co-management.
What should you do first?
A. Deploy the Microsoft Intune client.
B. Raise the forest functional level.
C. Upgrade Configuration Manager to Current Branch.
D. Raise the domain functional level.
