The redirect function in IIS 7 and 7.5 is in my experience pretty buggy. More often than not it will send the visitor into an eternal redirect loop.
Because of that I have used this simple html code for redirecting, instead of using the built in function in IIS.
Use it at your own will, I’m just posting it so I know where to find it the next time I need it
Some titleYou are now beeing forwarded to https://some.domain>
If you are not forwarded automatically, click the above link.