This article will show you how to add Hyper-V 2012 host into VMM 2012 in order to manage them for VMM.
The process is simple however you need to make sure the firewall ports between the Hosts and VMM are open and the firewall on the hosts is also disabled or the necessary ports are open.
Make sure you use user accounts that have all the necessary permissions to add the hosts.
To start Open VMM -> Fabric
Click on Add resources and select Hyper-V Hosts
Select the best option that describes your host.
Select the account that will add the hosts
Select how to add the hosts
Select your hosts