hponcfg -f downgrade.xml
For 95% of users, the best version is (Released May 2022). downgrade ilo 4 firmware better
Downgrade iLO 4 Firmware Better: Why, When, and How to Roll Back hponcfg -f downgrade
: Rolling back to iLO 4 v2.50 or earlier restores more lenient thermal parsing. System administrators and homelab enthusiasts can then regain control of server acoustics or successfully use community scripts (such as Dockerized iLO fan managers) to silence the hardware. 2. Safeguarding the Embedded NAND Flash Memory Later versions of Go to product viewer dialog for this item. Later firmware introduced memory leaks in the web
Downgrading firmware is generally discouraged due to security risks, but the following valid use cases often justify the action:
Clear the Integrated Management Log (IML) to ensure old errors don't trigger new issues.
Later firmware introduced memory leaks in the web server process. After a few weeks, the iLO stops responding to ping, the web GUI dies, and you have to hard-cycle the server’s power supply.