Upgrading VMware ESXi version

Last Updated : Aug 07, 2026 |
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If the ESXi upgrade is required for upgrading the application to Release 10.2.x, use the following procedure to upgrade the ESXi to a supported ESXi version.
For information about the supported ESXi version, see Supported ESXi version.
Before you begin
Take the backup of the application and keep it on remote servers. For information about creating a data backup on a remote server, see the application-specific document.
  1. Shut down all the virtual machines that are hosted on the ESXi.
  2. Put the ESXi into maintenance mode.
    ADDITIONAL INFORMATION:
    For information about performing steps on ESXi, see VMware product documentation website.
  3. Upgrade ESXi to supported ESXi version.
    ADDITIONAL INFORMATION:
    For information about upgrading ESXi, see VMware product documentation website.
  4. After upgrading the ESXi host, log in to the host UI, and exit from the ESXi maintenance mode.
  5. Apply the license key for the upgraded ESXi.
  6. Power on the virtual machines.