Indeed, until very recently, Virtual Box could not be run with Hyper-V enabled. One the recent release, fixed that but the price was some performance optimizati

Indeed, until very recently, Virtual Box could not be run with Hyper-V enabled. One the recent release, fixed that but the price was some performance optimization was disabled. So it's not optimal [1]. VMWare has a tech preview of the next version of Workstation which should work with the new Windows 2004 [2] [1] https://forums.virtualbox.org/viewtopic.php?p=470529#p470529 https://forums.virtualbox.org/viewtopic.php?p=470529#p470529 [2] https://blogs.vmware.com/workstation/2020/01/vmware-workstation-tech-preview-20h1.html https://blogs.vmware.com/workstation/2020/01/vmware-workstat...