Device management system, device management method and program

In centralized control of the network environment, the special software, such as a monitoring program without introducing the terminal, to be able to manage the terminal for connecting to the network. Device management system uniquely identifying identification information to the terminal, the public and the transfer node notifies the terminal management apparatus for managing the identification information, the identification information of the terminal to a user, said to the user from another second terminal and terminal, it is registered to be the user of the terminal, including a terminal management apparatus for storing in association with the user and the terminal.