An apparatus capable of performing, without the apparatus being isolated from a network, automatic switching to a previous network interface if there is an error in setting set values for a different network interface to which the previous network interface has been switched. When set values for a first network interface, which can be used in the apparatus, have been changed and then processing to establish connection to a network using the first network interface as active network interface in the apparatus has failed, the active network interface is switched to a second network interface which can be used in the apparatus.