后续版本的 Microsoft SQL Server 将删除该功能。请避免在新的开发工作中使用该功能，并着手修改当前还在使用该功能的应用程序。
The RemoteLogin object exposes the properties of a single login mapping record for connections to an instance of Microsoft SQL Server originating from another, known instance of SQL Server.
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An instance of SQL Server can maintain authentication information for connections originating from other instances of SQL Server. Server-originated connections are attempted when, for example, remote procedure calls (RPCs) are part of a Transact-SQL script.
Each instance of SQL Server in an organization can control access by listing the servers from which it accepts connections. For each of these remote servers, login-account mappings specify the local login used by a remote server connection when that remote server connects as part of a process run by the remote login.
With the RemoteLogin object, you can:
- Map a login record on one instance of SQL Server to an existing login record on another instance of SQL Server.
- Configure the local login attributes for a login defined on a remote instance of SQL Server.
- Remove a remote login record from the list of logins mapped for the remote instance of SQL Server.