How to Redirect the default website in IIS 7
Use IIS Manager to simplify the Outlook Web App URL when SSL is required You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the “IIS Manager” entry in the Client Access Permissions topic. You need to install HTTP Redirect from Programs and Features -> Install Windows 2012 Server features --> IIS features --> HTTP Redirect. After that, Start IIS Manager. Expand the local computer, expand Sites, and then click Default Web Site . At the bottom of the Default Web Site Home pane, click Features View if this option is not already selected. In the IIS section, double-click HTTP Redirect . Select the Redirect requests to this destination check box. Type the absolute path of the /owa virtual directory. For example, type https://mail.contoso.com/owa. Under Redirect Behavior , select the Only redirect requests to content in this directory (not subdirectories) check box. In the Status code li