Upgrading ESXi Hosts - VMware
docs.vmware.com › en › VMware-vSphereStarting with vSphere 6.0, you can PXE boot the ESXi installer from a network interface on hosts with legacy BIOS or using UEFI. Upgrading Hosts by Using esxcli Commands By using vSphere CLI, you can upgrade a ESXi 5.5 host or ESXi 6.0 host to version 6.5 and update or patch ESXi 5.5, ESXi 6.0, and ESXi 6.5 hosts. After You Upgrade ESXi Hosts
VMware ESXi Upgrade - VMware vSphere 7
docs.vmware.com › en › VMware-vSphereStart ESXi upgrade Choose your upgrade method Verify requirements are met Prepare for ESXI host upgrade with Auto Deploy Prepare for ESXi host upgrade with vSphere Lifecycle Manager Prepare for ESXi host upgrade Upgrade ESXi hosts using Auto Deploy Upgrade ESXi hosts using vSphere Lifecycle Manager Upgrade ESXi hosts using the GUI, script, or CLI