a system performs the power supply control of a plurality of information processing apparatuses at a low cost without relation to the intrinsic function of the information processing apparatus and the existence of a network facility . the power supply control apparatus of the present invention can be connected to at least one information processing apparatus . the power supply control apparatus comprises a power supply circuit that supplies electrical power to the information processing apparatus , a network connecting unit that connects a network with an administration apparatus for detecting a failure in operating conditions of the information processing apparatus , and a power supply control unit that controls power supply of the supply circuit on the basis of a power supply on / off instruction received from the administration apparatus via the network connecting unit .