There is no central user registry that would support single sign-on for computer systems across the campus.
没有支持整个大学计算机系统单点登录的中央用户注册表。
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From a user perspective, Active Directory allows for single sign-on to a computer, including establishing the E-mail Settings through Outlook directly from the user profile.
Some games will allow a single person to play but they will have to compete with an unknown player either another user in a network or the computer itself.