By default, when you require an SSL certificate in IIS on an Exchange server, if users hit the page without providing an https:// in front they will get an error. Rather than require certificates, it’s better in most cases to redirect unsecured traffic to a secured login page. In order to do so, first configure the redirect. To do so, open IIS Manager and click on the Default Web Site. At the bottom of the pane for the Default Web Site, click Features View if not already selected. Then open HTTP Redirect. Here, check the box for “Redirect requests to this destination” and provide the path to the owa virtual directory (e.g.…