Node.Js Mssql Tedius Connectionerror: Failed to Connect to Localhost:1433 - Connect Econnrefused

Node.js MSSQL tedius ConnectionError: Failed to connect to localhost:1433 - connect ECONNREFUSED

The solution is to enable TCP connections which are disabled by default.

Cannot connect to SQL Server with Node.js and Tedious

So what I am guessing happens is that even though Tedious lets you include instance name in 'options' it either doesn't use it or can't use it as it needs to be used. After doing some research, what should be happening is when you give SQL Server the instance name, it redirects you from port 1433 to the dynamic port it is using for that instance. I didn't know it was using a dynamic port, but if your instance is named the port will always be dynamic. I don't know where I saw it broadcasting on 1433, that was my mistake.

To check the dynamic port, look here:

From this information, I changed my code to this:

var config = {
  userName: 'username',
  password: 'password',
  server: 'XXXXX',

  options: {
    port: 49175,
    database: 'databasename',
    instancename: 'SQLEXPRESS'
  }
};

All is good now, hope this helps someone.

Nodejs connection with mssql showing error

I resolved my problem. I am putting my answer here, So maybe it will help someone.

Step 1: Check if you have selected SQL Server and Windows Authentication mode on Server Authentication section

Path: SMSS>Go to object explorer properties> Security(Check SQL
Server and Windows Authentication mode, if not, then check it)

Step 2: Check if you have TCP Port 1433 and TCP Dynamic Port is Blank(not 0)

Path: SQL Server Configuration Manager>SQL Server Network Configuration>Protocols for SQLEXPRESS> Double click on TCP/IP>IP
Addressess> Check for IPALL and for 127.0.0.1

Step 3: If you have performed any of the above or both the operation then please restart all your SQL Services by going

Path: Window + R> type services.msc and hit enter> Check for your SQL Services and restart all

Hope this would help someone.

Trouble connecting to SQL Server Express with Node.js

Needed to restart my system (Like the scrub I am). Works now. The changes in enabling TCP/IP don't take effect unless system is restarted(which SQL Server Configuration Manager tried to tell me).

Failed to connect to localhost:1433 - connect ECONNREFUSED 127.0.0.1:1433

mssql and mysql are two very different things... You should use the node-mysql or some other mysql client library if you are going to be running mysql on your dev machine

https://github.com/felixge/node-mysql

var mysql      = require('mysql');
var connection = mysql.createConnection({
  host     : 'localhost',
  user     : 'me',
  password : 'secret',
  database : 'my_db'
});

connection.connect();

connection.query('SELECT 1 + 1 AS solution', function(err, rows, fields) {
  if (err) throw err;

  console.log('The solution is: ', rows[0].solution);
});

connection.end();

Error "ConnectionError [SequelizeConnectionError]: Failed to connect to localhost:1443 - Could not connect (sequence)" using sequelize-automate

Check this out, this is not from sequelize-automate but quite likely your issue is not particular to that anyway, otherwise it would be well documented by others

https://github.com/typeorm/typeorm/issues/2133

can't help but notice the error in the title is not the same as the error in your trace above either... why is it using default port for mySQL instead of mssql

ConnectionError: Failed to connect to MyServer:1433

I got resolve this problem.
First of all I created an user on my db and after include in my config the user and password. I needed to specify the instance and db in options, cause node was not recognizing when put all in the same string.

var config = {
    user: 'user_name',
    password: '****',
    server: 'MyServer',
    options: {
        instance: 'MyInstance',
        database: 'MyDB'
    }
};

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