Recently VirtualBox released a new beta which includes:"Support for nested hardware-virtualization on Intel CPUs (starting with 5th generation Core i, codename Broadwell)"
You can find it here:https://forums.virtualbox.org/viewtopic.php?f=15&t=94724
Recently VirtualBox released a new beta which includes:"Support for nested hardware-virtualization on Intel CPUs (starting with 5th generation Core i, codename Broadwell)"
You can find it here:https://forums.virtualbox.org/viewtopic.php?f=15&t=94724