You must prepare all target hosts for Auto Deploy.
Hosts that you want to provision with Auto Deploy must meet the requirements for ESXi.
You cannot provision EFI hosts with Auto Deploy unless you switch the EFI system to BIOS compatibility mode.
- Change each physical host's BIOS settings to force the host to boot from the primary network device.
- Reconfirm the MAC address of the primary network device.
What to do next
Prepare the DHCP Server. See Prepare the DHCP Server.