So you’ve installed the Hyper-V module in Server 2012 and are ready to start setting up your virtual environment but for some reason you cannot access the Hyper-V manager.
The reason is you need to add the Hyper-V management tools as a feature.
Go to add features in Server manager and the tick the box below:
Thank you this was exactly what I was looking for and fixed my issue
The problem for me is that Hyper V is not on the list!