Spyderserve Web Development
After increasing the upload file size in PHP I noticed I was still getting errors when I tried to upload something larger than 30MB. Turns out, IIS has a limit of 30MB so anything that is uploaded larger than that will result in a 404 error. To increase this limit for just a single hosted site the steps are:
Source: http://www.webtrenches.com/post.cfm/iis7-file-upload-size-limits