If you get an ESX host give a DIMM alert, where you know that all the DIMM’s are healthy, you have a race condition with the probe and the hardware status, to clear it following this guide:
WARNING : This will cause issues with guests on the hosts, if you do not move them off first
- Add the ESX host to maintenance mode
- Ensure all hosts are evacuated off the host
- Click the Hardware Status tab.
- Click the System event log view.
- Click Reset event log.
- Click Update to clear the error.
- Click the Alerts and warnings view.
- Click Reset sensors.
- Click Update to clear the memory.
- Ensure the error persists, if so continue…..
- Enable SSH on the ESXi server (done from iLO, then support actions, then enable SSH)
- Connect to the ESXI server using putty
- Run this command to restart the sfcbd service: services.sh restart
- Run this command to restart the service in ESX: /etc/init.d/sfcbd-watchdog restart
- Click Update in the hardware status