An information processing apparatus includes a first receiving unit that receives a registration instruction to register a second information processing apparatus from a first information processing apparatus, a key generating unit that generates key information when the first receiving unit has received the registration instruction, an associating unit that associates, with the key information, registration instructing user identification information, an instruction generating unit that generates an instruction, including the key information, to cause the second information processing apparatus to communicate with the information processing apparatus, a transmitting unit that transmits the instruction to the first information processing apparatus, a second receiving unit that receives the key information and information related to registration of the second information processing apparatus, and a memory unit that stores the registration instructing user identification information in association with the information related to the registration of the second information apparatus.