I encountered an error that "authentication mode= windows" error .
<p>Error  :  </p>

<blockquote>
  <p>It is an error to use a section registered as
  allowDefinition='MachineToApplication' beyond application level.  This
  error can be caused by a virtual directory not being configured as an
  application in IIS.</p>
</blockquote>

<p>My error is above. How to solve this problem. </p>
