How to Install Nested ESXi 7.0 On Unsupported CPU (CPU_SUPPORT_ERROR)
ESXi 8.0 Upgrade in three ways - Virtualization Howto
vSphere and ESXi 8.0: The Unsupported – Polar Clouds
Workaround ESXi CPU Unsupported Error - Part 1 – Polar Clouds
vSphere / ESXi 7.0 installed on your older hardware (unsupported)
Workaround ESXi CPU Unsupported Error - Part 3 – Polar Clouds
Run VMware ESXi on Unsupported CPUs - Power Sysadmin Blog
Hosting a vSAN Witness Appliance on a physical host which is of a higher ESXi version than the ESXi version installed on the physical host may fail to power on with "Unsupported