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If you don't see this option in your EFI/BIOS screens, you should double-check to see if your CPU supports it. This means the feature is activated in EFI/BIOS. VirtualBox should support hardware virtualization acceleration.Otherwise, Proxmox VE may still work but it can be extremely slow. 3.2 VirtualBox guest to Proxmox guest communication requires VirtualBox NIC in promiscuous modeįor Proxmox VE inside VirtualBox to work well, it's strongly recommended that your VirtualBox host (e.g., your laptop) meets the minimum hardware requirements and software configuration.
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2 Nested Containers and simple Virtual Machines.
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