Reset the HP iLO Administrator password with hponcfg on ESXi

Sometimes you need to reset the ILO Administrator password. Sure, you can reboot the server, press F8 and then reset the Administrator password. If you have installed a HP customized ESXi image, then there is a much better way to reset the password: HPONCFG.

Check the /opt/hp/tools directory. You will find a binary called hponcfg.

~ # ls -l /opt/hp/tools/ total 5432 -r-xr-xr-x 1 root root 5129574 Oct 28 2014 conrep -r–r–r– 1 root root 108802 Oct 28 2014 conrep.xml -r-xr-xr-x 1 root root 59849 Jan 16 2015 hpbootcfg -r-xr-xr-x 1 root root 251 Jan 16 2015 hpbootcfg_esxcli -r-xr-xr-x 1 root root 232418 Jul 14 2014 hponcfg -r-xr-xr-x 1 root root 12529 Oct 31 2013 hptestevent -r-xr-xr-x 1 root root 250 Oct 31 2013 hptestevent_esxcli

All you need is a simple XML file. You can use the VI editor or you can copy the necessary file with WinSCP to the root home directory on your ESXi host. I prefer VI. Change the directory to /opt/hp/tools. Then open the pwreset.xml.

~ # vi pwreset.xml

Press i to switch to the insert mode. Then paste this content into the file. You don’t have to know the current password!

Press ESC and then :wq to save the file and leave the VI. Now use HPONCFG together with the XML file to reset the password.

~ # /opt/hp/tools/hponcfg -f pwreset.xml HP Lights-Out Online Configuration utility

Version 4.4-0 (c) Hewlett-Packard Company, 2014 Firmware Revision = 1.85 Device type = iLO 3 Driver name = hpilo iLO IP Address: 172.16.1.52 Script succeeded

That’s it! You can now login with “Administrator” and “password”.