An image forming system includes a first image forming apparatus configured to form an image according to first setting information that is set to a first user; a second image forming apparatus configured to form an image according to second setting information that is set to a second user; and an administration apparatus that holds the first setting information and the second setting information and administers the first image forming apparatus and the second image forming apparatus according to the first setting information and the second setting information thus held. The administration apparatus includes a determining unit configured to determine whether a substitute apparatus for the first image forming apparatus is necessary; and an information setting unit configured to obtain the first setting information according to a determination result of the determining unit, and add the first setting information to the second setting information.