A server is configured to perform obtaining a first request for information associated with an administrator of a communication device from an administrator's device, transmitting management information associated with the administrator to a management device in response to the first request, obtaining an information request for information to be used by the communication device therefrom, transmitting authentication information to use the communication device thereto, obtaining the authentication information and the management information from the terminal device, the authentication information obtained from the terminal device being information transmitted by the terminal device based on the authentication information received by the communication device, the management information obtained from the terminal device being information to be transmitted by the terminal device based on the management information received by the management device, and associating the management information obtained from the terminal device with identification information of the communication device.