Update standalone ESX host If you have a client that just has 1 ESX host then you have to manually update your esx host since you don’t have any update manager or vcenter available Here are steps to update your esx host In this example im upgrading from esx 5.1 tot 5.5 u1 Shutdown all VM’s Put the esx host in maintenance mode Enable ssh access on your esx host Open http firewall port for outgoing traffic in Configuration – Security Profile – Firewall (section) Or use esxcli command: esxcli network firewall ruleset set -e true -r httpClient use follwing esxi shell command to [...]