The setting management service determines whether or not to hand over configuration data before being replaced to an image forming apparatus after being replaced based on a changed content of device configuration information of the image forming apparatus after being replaced and a handover condition associated with configuration data of the image forming apparatus when the image forming apparatus is replaced, and specifies a setting item required for a reset based on a content of a change flag indicating whether or not a user has changed a setting of configuration data from an initial value to thereby notifies the specified setting item to the image forming apparatus when configuration data is not handed over. The image forming apparatus that has received the notification displays a screen that prompts a reset of the setting item required for the reset.