title: A timeout occured after 30000ms selecting a server using CompositeServerSelector
body: <p>I try to deploy my Mongo database in Mongolabs, everything works fine, and I create a new database. Please see my connectionstring.</p>
  
  <pre><code>    public DbHelper()
      {
  
          MongoClientSettings settings = new MongoClientSettings()
          {
              Credentials = new MongoCredential[] { MongoCredential.CreateCredential("dbname", "username", "password") },
              Server = new MongoServerAddress("ds011111.mongolab.com", 11111),
              //ConnectTimeout = new TimeSpan(30000)
          };
  
          Server = new MongoClient(settings).GetServer();
  
          DataBase = Server.GetDatabase(DatabaseName);
  
      }
  </code></pre>
  
  <p>but when I try to connect the database it's shows error like:</p>
  
  <p><img src="https://i.stack.imgur.com/CwR69.png" alt="enter image description here"></p>