The present disclosure provides a system and method for preserving firmware settings in a baseboard management controller (BMC) or a flash memory component of a server system. In accordance with one aspect of the present disclosure, a computer-implemented method for automatically preserving firmware settings of the server system, comprises: powering on the server system; retrieving a plurality of future firmware settings from a baseboard management controller (BMC) of the server system; applying the plurality of future firmware settings to the server system; sending a plurality of current firmware settings to the BMC with a unique string mapping scheme; performing an entire firmware flash update; copying the plurality of current firmware settings stored on the BMC to the plurality of future firmware settings of the BMC; and rebooting the server system by applying the plurality of future firmware settings stored on the BMC.