Downgrade Ilo 4 Firmware Better ((link)) Jun 2026

This method uses the Smart Update Manager (SUM) or the individual component executable.

: Download the Smart Component executable ( cpxxxxxx.exe ) for your target version, right-click, and select Run as Administrator .

HPE’s Smart Update Manager (SUM) and some OS agents may try to “remediate” your server by pushing the latest iLO firmware. To prevent this: downgrade ilo 4 firmware better

Is the latest iLO 4 firmware the "best"? For security, yes. For functionality on a legacy home lab or a stable production environment that doesn't touch the public internet?

This manifests as the dreaded "iLO Health Self-Test Failed" (Error Code 14) or a completely unresponsive iLO. This method uses the Smart Update Manager (SUM)

If you've decided that downgrading your iLO 4 firmware is the best course of action, follow these best practices:

Log into iLO web GUI → → Access Settings → Enable SSH and optionally Local User Account (if using AD, have a local backup admin). To prevent this: Is the latest iLO 4 firmware the "best"

The most direct method is through the iLO web interface using a standard firmware image file.

Run the downloaded .exe file as an Administrator. The installer will detect the current version and allow you to force installation of the older version.