rewrite - IIS reverse proxy / re-write rule to redirect requests to another port

I am attempting to rewrite requests for http://redmine (where IIS is bound) to http://web01:8080/redmine (where apache is bound and ruby is serving redmine). Noet that I also have an A record binding http://intranethome to http://web01:80 and https://web01:443

I've primary used the following for reference:

I believe that the following should work, but it simply isn't:

I've done similar things in apache, but can't seem to understand the issues with IIS. Any input is appreciated.