How to upgrade VMWare ESXi on HP Gen8 Microserver

  1. go to VMware ESXi Patch Tracker and check for the latest ImageProfile e.g. ESXi-6.5.0-20170404001-standard
  2. Shut down all VMs and turn on maintenance mode
  3. allow outbound firewall requests
    esxcli network firewall ruleset set -e true -r httpClient
  4. execute the update:
    esxcli software profile update -p ESXi-6.5.0-20170404001-standard -d https://hostupdate.vmware.com/software/VUM/PRODUCTION/main/vmw-depot-index.xml
  5. Disable firewall ports
    esxcli network firewall ruleset set -e false -r httpClient
  6. Disable maintenance mode
  7. Reboot

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