第一次報錯：
[IM002][Mircrosoft][ODBC驅動程序管理器]未發現數據源名稱並且未指定默認驅動程序（0）
第二次報錯：
[08001][Mircrosoft][SQL Server Native Client 10.0]Named Pipes Provider:Could not open a connection to SQL Server[53]. (53)
[HYT00][Mircrosoft][SQL Server Native Client 10.0]Login timeout expried(0)
[08001][Mircrosoft][SQL Server Native Client 10.0]A network-related or instance-specific error has occurred while establishing aconnection to SQL Server is not found or not accessible. Check if instance name iscorrect and if SQL Server is configured to allow remote connetcions. For more information see SQL Server Books Online. (53)
第三次報錯：
[08001][Mircrosoft][SQL Server Native Client 10.0]SQL Server Network Interfaces:Connection string is not valid[87]. (87)
[HYT00][Mircrosoft][SQL Server Native Client 10.0]Login timeout expried(0)
[08001][Mircrosoft][SQL Server Native Client 10.0]A network-related or instance-specific error has occurred while establishing aconnection to SQL Server is not found or not accessible. Check if instance name iscorrect and if SQL Server is configured to allow remote connetcions. For more information see SQL Server Books Online. (87)
解決：
參考：https://blog.csdn.net/fragrant_no1/article/details/83345458
解決報錯一，navicat 安裝路徑下找到 sqlncli_x64.msi 雙擊安裝。
解決報錯二，三，指定端口時，注意端口連接符不是用冒號" : "連接的，要用逗號","鏈接。