Thanks for your quick help!
I was not aware that this is a corporate mainboard. A friend of mine bought it at a regular consumer store and used it as a personal device.
Is there a known way to find and flash the correct Intel ME corporate firmware?
I tried to update on an ASUS H170-PRO motherboard and got "Error 8771: Invalid file" as output. The check script runs without any problems.Is it possibly related to the fact that the .bin file has the version 11.8.93.4323 but the update utility outpu...