Based on the version of Windows 2016 or Windows 2019 you are running, you might not see all the options selected as described here.

To perform these installation steps, we have used the Windows 2019 Server Evaluation version which provide the latest version of Hyper-v. To perform such miracle, you simply need to know which settings to choose (or you have to know that such settings exists…keep reading) Creating your Ubuntu Gen 2 virtual machine Nowadays, Microsoft provides a better support on Ubuntu and it’s easy and possible to have Ubuntu running as generation 2 virtual machine where secure boot is enabled. This was basically the “old” approach in order to have Ubuntu running on Hyper-v while trying to get Ubuntu using UEFI features and capabilities…. When creating such virtual machine, these people would disable the Secure Boot option Only a few people I know would perform an installation of Ubuntu using generation 2 option when creating the Virtual machine within the Hyper-v console but still not take full advantage of the hyper-v solution. When installing Ubuntu as a virtual machine, most of the people would select generation 1 because UEFI or secure boot options does not seems to work when trying to perform the installation. This post will describe how to configure the Virtual machine as generation 2 and have the UEFI and secure boot enabled and make Ubuntu working with such settings…. This post is about installing Ubuntu 18.04 or 18.10 as a virtual machine on Hyper-V server. Virtual machine Generation 1 which is basically used for legacy operating system and Virtual machine Generation 2 which includes new virtualization features and can emulate UEFI systems.

This might have been true in the past but Microsoft has changed its attitude against Open source community. As you probably know, Hyper-v virtualization platform allows you to create two type of virtual machines. There is a strong believe that Ubuntu machine cannot take full advantage of Hyper-v platform. It seems that there are some confusion when people are installing Ubuntu operating system on top of Hyper-V.

Hyperv ubuntu