There is a problem when serving large MP4 or PDF ONLY in IE and it turns out that it was because of Range Retrieval Requests. To make the story short (after being frustrated and started pulling my hair), it turns out that Sitecore by default uses Range Retrieval Requests for Media and there is a … More Sitecore 7.1 large Media Items mp4 or PDF problems with Range Retrieval Requests ONLY IE