This article explains how to enable TCP/IP network traffic on SQL server.

TCP/IP network traffic not enabled on the SQL Server

Problem

TCP/IP is not enabled on the SQL server.

Solution

TCP/IP network traffic needs to be enabled on the SQL Server, so that remote connections will be allowed on the SQL server.

1. Run the SQL Server Configuration Manager.
2. Click on the SQL Server Network Configuration.
3. Select Protocols for SQLEXPRESS and check if the TCP/IP Protocol is enabled.
4. If the TCP/IP is disabled, double-click on it and change the Enabled row status to Yes.
5. In order to finish the adjustment, select SQL Server Services, click on SQL Server and restart it.
6. SQL connection should now be available.