What to read next Network Booting the ESXi Installer You can use preboot execution environment (PXE) to boot an ESXi host from a network device, if your host uses legacy BIOS or UEFI. Boot the ESXi Installer by Using PXE and TFTPYou can use a TFTP server to PXE boot the ESXi installer. The process differs slightly depending on whether you use UEFI or boot from a legacy BIOS. Boot the ESXi Installer by Using iPXE and HTTPYou can use iPXE to boot the ESXi installer from an HTTP server. Boot the ESXi Installer by Using Native UEFI HTTPYou can boot the ESXi installer directly from an HTTP server, without additional software to support the process. Sample DHCP ConfigurationsThe DHCP server must send the address of the TFTP or HTTP server and the filename of the initial boot loader to the ESXi host. Parent topic: Upgrading ESXi Hosts