A system includes an authentication unit configured to authenticate the user based on the user information received at the access by the access unit, and a setting unit configured to set an authentication token indicating that the user has logged in and identification information indicating that the user has logged in via the integrated entrance server into cookie information on the web browser in response to a success in the authentication of the user by the authentication unit, and wherein a transition of the web browser in the system is controlled based on the cookie information on the web browser.