Large File Upload in IIS By default, IIS web server allows for limited file size to be uploaded to the web server. For IIS 6 and IIS 7, the default maximum file upload size is 4 MB and 28.6 MB respectively. IIS 7 returns a 404 error (HTTP Error 404.13 – CONTENT_LENGTH_TOO_LARGE) if someone uploads … Continue reading Large File Upload in IIS