Using an ESXi server installed on a Hyper-V VM in a production environment is not recommended. ESXi is VMware’s hypervisor, while Hyper-V is Microsoft’s hypervisor. Today’s blog post covers the installation of an ESXi server on a Hyper-V VM, and can be useful for testing and educational purposes for instance, if you have Hyper-V hosts but you are thinking about deploying ESXi hosts in your environment. One of the previous blog posts explained Hyper-V nested virtualization as well as the installation of a virtual Hyper-V server on a VM that runs on a physical Hyper-V server.
By Michael Bose How to Install ESXi on Hyper-V