The example below is taken from the full docs, available here (GitHub) or here (NPM).
npm install --save activedirectory // Initialize var ActiveDirectory = require('activedirectory'); var config = { url: 'ldap://dc.domain.com', baseDN: 'dc=domain,dc=com' }; var ad = new ActiveDirectory(config); var username = '[email protected]'; var password = 'password'; // Authenticate ad.authenticate(username, password, function(err, auth) { if (err) { console.log('ERROR: '+JSON.stringify(err)); return; } if (auth) { console.log('Authenticated!'); } else { console.log('Authentication failed!'); } });