On Internet Explorer browser, for versions 7.0 and later (HTML5 versions), if you see BizTalk360 loading in the Silverlight mode when you use the hostname in the address bar, you can fix the problem by performing the steps as shown below -

  1. Press F12 (with your Internet Explorer open) and make sure the "Browser Mode" and "Document Mode" are running in 'Native IE mode'.
  2. Once you make the above change, remove the "./sl.aspx" from the URL and reload the browser