An example electronic apparatus includes an information generator configured to generate information used to one function of a user terminal, a communicator configured to communicate with the user terminal, the server and a plurality of external apparatuses having a plurality of operation modes, and a controller configured to control the communicator: to attempt an access to the server at a first operation mode; in response to determining that the server is in a normal communication state based on the access attempt, to provide information generated by the information generator to the user terminal via the server; and in response to determining that the server is in a communication pending state based on the access attempt, to transmit a first mode changing signal for operating in a second operation mode, which restricts the access to the server, to at least one of the plurality of external apparatuses.