If you are using any of the features described on that page (such as uniqueness checks), make sure to check the box and enter a user ID and password that has superuser authority for Content Manager.
In Visual Studio 2005, in the Add connection Dialog, the uniqueness of the connection is based on the collective information of the server name, port number, user ID, password, and the database name.
在Visual Studio 2005中，在Add Connection对话框中，连接的惟一性基于服务器名称、端口号、用户ID、密码和数据库名称的集合信息。