An offline upgrade - you must manually download an ESXi installation image to the local datastore.There are two ways to upgrade the ESXi version from the esxcli command line: If the host is connected to a vCenter, do not upgrade the ESXi version before upgrading the vCSA version.Use VMware Compatibility Guide and VMware Product Interoperability Matrix to do it. If you are going to upgrade your ESXi version, make sure that your server hardware is supported by the newer OS version.Make sure that the OS version has been updated: vmware –v.Disable the maintenance mode: esxcli system maintenanceMode set -enable=false.To install the patch, run the command: esxcli software vib update -depot /vmfs/volumes/87654321-12345678-7a20-000c12345678/update/ESXi670-202111001.zip Message: The update completed successfully, but the system needs to be rebooted for the changes to be effective.

Connect to your ESXi host via SSH and put the host in the maintenance mode: esxcli system maintenanceMode set -enable=true.

If there is not enough free space, expand the VMFS datastore

Use the Datastore Browser to copy the archive to any datastore available to your host (it may be a local disk, an NFS folder, a VMFS LUN connected over iSCSI or Fiber Channel, or an external USB drive connected to your ESXi host).

The latest available update is ESXi670-202201001 (Build Number: 19195723) with the release date.

Select a product: ESXi (Embedded and Installable) and your ESXi build.

To install the ESXi rollup update offline: Always install the latest available update for your ESXi release. ESXi patches are cumulative, which means they include all previous updates.

Vmware esxi 5 to 6 upgrade license