How to redirect http to https in IIS

1) Download and install the URL Rewrite 2.0 module to your IIS8 server:

Download from here: http://www.iis.net/downloads/microsoft/url-rewrite

2) Once installed, open IIS Manager, expand the Sites container and select the website you wish to configure the http redirection.

3) Once highlighted, double click the URL Rewrite option in the right hand pane. Select Add Rule and configure the following:

NAME

Select: Blank Rule

Name: http to https

Match URL – Requested URL: Matches the Pattern

Match URL – Using: Regular Expression

Pattern: (.*)

CONDITIONS

Conditions: Add

Condition Input: {HTTPS}

Check if input string: Matches the Pattern

Pattern: ^OFF$

Click OK

ACTION

Action type: Redirect

Redirect URL: https://{HTTP_HOST}/{R:1}

Redirect type: See Other (303)

Click Apply

Requests to your site via HTTP should now be redirecting to HTTPS