Lenovo has released new server hardware models like ThinkSystem SN550 and SN850. There is an alert been received to my inbox for one of the SN550 model server. When looked at the logs, found the below error message –
“SENSOR ME STATUS HAS TRANSITIONED TO CRITICAL FROM A LESS SEVERE STATE” error logged by ThinkSystem server.
Have logged a case with Lenovo hardware support and they replied like below –
Please try to access the UEFI and change the PCI64BitResourceAllocation to disabled. If you are unable to access the UEFI, you might need to have someone do it locally, they will need to power drain the server.
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As per HT504864 – “SENSOR ME STATUS HAS TRANSITIONED TO CRITICAL FROM A LESS SEVERE STATE” ERROR LOGGED BY THINKSYSTEM
Update the UEFI to the version which is advised in the link and then restart the system to activate the UEFI firmware.
If the error still occurs again, locate and toggle the ME_recovery_mode dip switch or jumper to ON. Power on the system to all the UEFI to complete the activation of the firmware. When the system completes the firmware update, power off the server and toggle the switch/jumper to off.
Before I follow the above steps, first thought, lets reboot the host and see if the error goes off. In my case, reboot did help to fix the error. If you would like to follow the above, I would advise to reach out to the Lenovo support.