Many virtualization applications depend on hardware virtualization extensions that are available on most modern processors. ... The hardware cannot be shared between virtualization applications. To use other virtualization software, you must disable Hyper-V Hypervisor, Device Guard, and Credential Guard.

What happens when you disable Hyper-V?

If Hyper-V is disabled, you'll just see a list of technologies that are required for Hyper-V to run and whether they are present on the system. In this case, Hyper-V is disabled, and you don't need to do anything further.

Is Hyper-V necessary?

Hyper-V can consolidate and run applications onto fewer physical servers. Virtualization enables quick provisioning and deployment, enhances workload balance and enhances resiliency and availability, due to being able to dynamically move virtual machines from one server to another.