SQLServerException: The TCP/IP connection to the host, port 1433 has failed.
Failure in Backing Up eSight Because the Non-default Port of the SQL Server Database Is Used - eSight V300R010C00SPC200, 300, and 500 Maintenance Guide 18 - Huawei
SQL Server が使用しているポートを確認する方法 - SQL Server&T-SQLに関するコラム - SQL Server 入門
How to find the port being used by SQL Server (includes video demo)