Net. provider Teradata Database 8017

Hi all, please, help me. I can not connect in Teradata 13 database from visual studio 2012.\
My code:

  TdConnectionStringBuilder con2 = new TdConnectionStringBuilder();
                con2.DataSource = "host";
                con2.Password = "pass";
                con2.UserId = "user";
                con2.Database = "database";
            
                con2.IntegratedSecurity = false;
                TdConnection connection = new TdConnection();
                connection.ConnectionString = con2.ConnectionString;
                connection.Open();

I have error: Error 8017 - The UserId, Password or Account is invalid

BUT! I can connet from Teradata SQL Assistant with this user ans passw.

I use Net Data Provider Teradata 14.10.

Please, help!