Patent ID: 8627417

Claim:
A login administration method of a server to which a plurality of information processing apparatuses that log in directly by an account and user-specific information are connected and which performs a login process to other information processing apparatuses in response to a login request from a first information processing apparatus, the login administration method comprising: registering accounts and user-specific information of a plurality of information processing apparatuses in the server; receiving the account and user-specific information from the first information processing apparatus in response to the login request from the first information processing apparatus; authenticating the login request from the first information processing apparatus based on a judgment whether the account and user-specific information received from the first information processing apparatus are corresponding to an account and user-specific information which are registered in the server in advance, wherein in the authentication process, upon authentication of the login request, presence of other information processing apparatuses to which the user who uses the first information apparatus can log in are determined, when the other information processing apparatuses are present, the login requests including the password are transmitted to all of the other information processing apparatuses, and a login substitution authentication is performed by the server; logging in to all the apparatuses serving as login targets at the same time by one login operation by the login substitution authentication performed by the server; wherein the first information processing apparatus is an administrator terminal; and the account, which includes both the account received from the first information processing apparatus and the account registered in the server in advance, is a shared account shared by the plurality of information processing apparatuses.