A device control apparatus includes: a usage instruction acceptance unit that accepts a usage instruction for a device; a determination unit that determines whether or not the device is a registered device that has been registered in a server based on registration information obtained from the server, and determines whether or not the device is a loaner device for the registered device based on loaner device information; a notification unit that performs a notification prompting a user to register the device as a registered device in the server; a prohibition unit that prohibits the device from being used in accordance with the usage instruction; and a permission unit that permits the device to be used in accordance with the usage instruction.