<rule name="HTTP to HTTPS redirect" enabled="false" stopProcessing="true">
    <match url="http://(.*)" />
      <conditions>
        <add input="{HTTPS}" pattern="^OFF$" />
      </conditions>
    <action type="Redirect" redirectType="Permanent" url="https://{HTTP_HOST}/{R:1}" />
   </rule>

<rule name="HTTP to HTTPS redirect2" stopProcessing="true">
      <match url="(.*)" />
      <!-- Require SSL must be OFF in the site settings -->
      <conditions>
        <add input="{HTTPS}" pattern="off" ignoreCase="true" />
      </conditions>
      <action type="Redirect" redirectType="Found" url="https://{HTTP_HOST}{REQUEST_URI}" />
    </rule>