How to set up "Ubuntu-20.04.3-Server-AMD64" in a Virtualbox

This article has not been completed yet. However, it may already contain helpful information and therefore it has been published at this stage.

Prerequisites:

  • Removing / Disabling  the Hyper-V - Role
  • Virtualbox 6.1  + Oracle VM Virtual Box Extension Pack 6.1 installed

Removing the Hyper-V - Role:

# Powershell
Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-Hypervisor -All

# CMD
DISM /Online /Disable-Feature:Microsoft-Hyper-V

Disabling the Hyper-V - Role:

bcdedit /set hypervisorlaunchtype off

Installing Ubuntu: