Scenario: Check the UUID of VMWare ESX host
System: VMWare ESX 5.5

Steps:
– Type below url to web browser.
https://[Esx HOST IP Address]/mob/?moid=ha-host&doPath=hardware.systemInfo

Example:

Reference:
http://www.techadre.com/content/howto-find-esx-server-uuid-aka-host-id