SQL Server connection not working?

[isorinrusu]

Hi, I'm trying to connect to a remote SQL Server through Qlik Sense.

I'm using the Qlik ODBC Connector Package -> Microsoft SQL Server.

After I fill the input fields and test the connection, I receive the following error message:

I've tried to use the default port (the one I must use is not the default one) and I'm receiving a different error message. I've doubled and tripled checked that the info is OK. Also, I can ping the SQL Server.

What could it be?