A system for managing hardware resources includes a computer system and a management server, wherein the computer system includes a static authentication key generation unit that generates authentication keys for the detected hardware resources, a dynamic authentication key generation unit that requests arrangements of a hardware resource and an activation key to the management server by transmitting a dynamic installation authentication key generated from a system authentication key, a first additional hardware resource authentication unit that judges whether or not a new hardware resource is unauthorized by comparing the authentication key with the activation key, and a second additional hardware resource authentication unit that judges whether or not the new hardware resource fit the computer system by comparing the dynamic installation authentication key with the activation key, and wherein the management server includes an activation key generation unit that transmits the activation key to the computer system.