我对此服务器具有远程登录权限，并且此服务器可从我的系统ping通，但仍然收到以下错误消息。任何人都可以告诉我为什么我会这样做。 感谢。
Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : SQL Server Network Inte rfaces: Error Locating Server/Instance Specified [xFFFFFFFF]. . Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : Login timeout expired. Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : A network-related or in stance-specific error has occurred while establishing a connection to SQL Server . Server is not found or not accessible. Check if instance name is correct and i f SQL Server is configured to allow remote connections. For more information see SQL Server Books Online..