jTDS - Conexão com SQL Server

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class ConnectionFactory {
 	private static final String URL = "jdbc:jtds:sqlserver://dmndiacelsql:1433/QBDADOS";
 	private static final String DRIVER = "net.sourceforge.jtds.jdbc.Driver";
 	private static final String USUARIO = "usuario";
 	private static final String SENHA = "senha";
 	
	public static Connection getConnection() throws SQLException{
		try{
			Class.forName(DRIVER);
			System.out.println("Conectando a Banco de Dados...");
			return DriverManager.getConnection(URL, USUARIO, SENHA);
		}catch (ClassNotFoundException e) {
			throw new SQLException (e.getMessage());
		}		
	}
}

Exception in thread "main" java.sql.SQLException: Login failed for user 'usuario'. The user is not associated with a trusted SQL Server connection.
	at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:365)
	at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java:2781)
	at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2224)
	at net.sourceforge.jtds.jdbc.TdsCore.login(TdsCore.java:599)
	at net.sourceforge.jtds.jdbc.ConnectionJDBC2.<init>(ConnectionJDBC2.java:331)
	at net.sourceforge.jtds.jdbc.ConnectionJDBC3.<init>(ConnectionJDBC3.java:50)
	at net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:178)
	at java.sql.DriverManager.getConnection(DriverManager.java:525)
	at java.sql.DriverManager.getConnection(DriverManager.java:171)
	at br.com.diacel.jdbc.ConnectionFactory.getConnection(ConnectionFactory.java:17)
	at br.com.diacel.jdbc.teste.TestaConexao.main(TestaConexao.java:16)