Patent ID: 8693027

Claim:
An image forming apparatus provided with a local user interface, comprising: a first reception unit adapted to receive authentication information input using the local user interface; a second reception unit adapted to receive a connection request transmitted from an information processing apparatus; a determination unit adapted to determine whether or not a user has been authenticated by the image forming apparatus based on the authentication information received by said first reception unit, when said second reception unit receives the connection request; and a control unit adapted to permit execution of processing from the information processing apparatus if it is determined by said determination unit that the user has been authenticated by the image forming apparatus based on the authentication information received by said first reception unit, and refuse execution of processing from the information processing apparatus if it is not determined by said determination unit that that the user has been authenticated by the image forming apparatus, wherein the image forming apparatus is capable of communicating with an external apparatus, and the control unit refuses execution of processing from the information processing apparatus if it is determined by said determination unit that the user has been authenticated by the image forming apparatus based on authentication information transmitted from the external apparatus instead of the authentication information received by the first reception unit.