A communication apparatus includes a transmission unit configured to, in response to an information request from another apparatus, transmit issued information issued by the communication apparatus to the another apparatus, a first reception unit configured to receive a transfer request based on the issued information from a client apparatus, a second reception unit configured to receive, from a server apparatus, data to be transferred to the client apparatus operating as a transmission source of the transfer request based on the issued information, and a transfer unit configured to, in a case where the first reception unit receives the transfer request based on the issued information from each of a plurality of client apparatuses including a client apparatus to which the issued information issued by the communication apparatus is not transmitted by the transmission unit, transfer the data received from the server apparatus to the plurality of client apparatuses.