A user-manager server device includes: registration information on a local group including a domain user separately from a domain group managed by a directory server device, and authorization information on the domain group, the domain user, and/or the local group. When a logged-in user belongs to the local group, an authorization processing unit transmits the authorization information on the local group to a multifunction periphery (MFP) as the authorization information corresponding to the logged-in user. When the logged-in user does not belong to the local group, the authorization processing unit transmits the authorization information on one of the domain group and the domain user to the MFP as the authorization information corresponding to the logged-in user.