"Error! BMC Interface Error...Microcontroller not found in system" Message while Attempting to Update the BIOS/Firmware

When running the BIOS/Firmware update, the following message causes a pause and prompts for user intervention:

"Loading IPMI driver...
Error! BMC Interface...Microcontroller not found in system.
An error occurred. Would you like to save the errors to a file? [Y, N, ESC]"

Proceed as follows:

1. Clear the CMOS.
2. Clear the event log and load the BIOS default settings as follows:
   1. Reboot the server into the BIOS.
   2. Once there, press <F9> to restore BIOS default settings.
   3. Reset any customized BIOS settings.
   4. Enable the Clear System Event Log option, which is located in the Server Management tab of the BIOS Setup utility.
   5. Finally, press <F10> to save the new settings and reboot the system.
3. Attempt to run the BIOS/firmware update once more.