It is strongly recommended to use https in SharePoint Provider Hosted Apps. In many provider hosted apps I have seen, only https works. I would recommend to configure a simple http to https redirect in IIS and make solutions better. Many Provider Hosted Apps can be done in that way that they are available without SharePoint Context, e.g. for browsing information. In that case that is important to have an easy url and an automatic http -> https redirect. In this post I’ll give a short manual for doing that. I would recommend this step for all provider hosted apps. 1. In the Provider Hosted Apps Server install the URL Rewrite IIS Module using Web Platform Installer: