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I'm wanting to setup 2 rules for my site in IIS:
I have #1 working for my site, but can't get #2 to work.
I created rule 1 based upon: https://aboutssl.org/iis-redirection-http-to-https/
I tried to create rule 2 based upon: https://weblogs.asp.net/owscott/iis-url-rewrite-rewriting-non-www-to-www
When I add rule 2 to the site in IIS, the site processes rule 1 pointing to HTTPS and ignores rule 2 the secure non www version.
Change the bindings in your main site to only support HTTPS. (Remove HTTP.) Add rule #2 to that site. Remove rule #1.
Add a second web site, Set the bindings to only use HTTP with the host name of your main site. In the HTTP Redirect section, set it to redirect all requests to the HTTPS://www.whatever.com main site.
After a lot of frustration, I finally got it working... I setup the second site for HTTP and set it to redirect to HTTPS. The first site, I set to redirect to https:// to https://www. I then tested and the configuration was not working because HTTP is not redirecting to HTTPS and returning a blank browser window. I eventually gave up trying to get this rule to work and added a blank HTML file with a meta redirect in it pointing to HTTPS://www. which works as expected. HTTPS:// to HTTPS://www. is working fine. I wish I new what the issue was pointing HTTP to HTTPS as I never changed the rule. All I know is that the meta refresh workaround works. I do realize that I could have used the meta refresh tag and made 2 IIS sites, 1 which serves HTTPS://www. and a second that has the bindings for non HTTPS and non-www which redirect to http://www.