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23

answers:

1

The application I'm using tries to connect SQL Server named instance running on a dedicated database server. Here's the error I'm getting:

The TCP/IP connection to the host <instance_name>, port 1433 has failed. Error: Connection refused: connect. 

Is the firewall blocking my access or what? Should I dedicate a different port for this application?

+1  A: 

The error refused connect implies that your connection does not have permissions to connect to this instance of SQL Server.

Are you using Windows Authentication or a SQL Server Login?

For troubleshooting guidelines see: Troubleshooting Server and Database Connection Problems

John Sansom
Sorry for the late reply. Windows authentication.
atricapilla