title: The notification has no target applications
body: <p>I just started demo app for azure push notification. In my demo, I can broadcast notifications to all Windows devices but I want to send it individual user using tag. So I follow all the instructions and demo code from <a href="https://docs.microsoft.com/en-us/azure/notification-hubs/notification-hubs-aspnet-backend-windows-dotnet-wns-notification" rel="nofollow noreferrer">Azure Notification Hubs Notify Users with .NET backend</a>.</p>
  
  <p>But I getting error while sending push notification for window and WP. Here is my code : </p>
  
  <pre><code>outcome = await Notifications.Instance.Hub.SendWindowsNativeNotificationAsync(toast, userTag);
  </code></pre>
  
  <p>I getting follwing error :</p>
  
  <blockquote>
    <p>The remote server returned an error: (400) Bad Request. The
    notification has no target applications. The notification format is
    windows. Review the credentials specified in the notification hub
    description and the notification format.
    .TrackingId:2aca8783-c5eb-41f8-a821-6f457806ca86_G7,TimeStamp:11/29/2016
    1:40:07 PM</p>
  </blockquote>
  
  <ul>
  <li><p>I have not register my app on windows store. I guess it is creating problem but then why it is working for broadcast? When I send it individual user with tag then it gives above error.</p></li>
  <li><p>Please let me know where I am wrong. Is it necessary to register app on windows store for send notificaton with tag for single user?</p></li>
  </ul>