MVC 4.5.2响应。WriteFile大于2 gb

In late testing phase i noticed an issue my application has sending files larger than 2 gigs (Int32.MaxValue). Is there an easy way to remedy this ? These are large high def .mov movie files. I used a Response.WriteFile in my controller to ensure the browser doesn't open any of the files (most are large video files that aren't opened by the browser but not all) and force the download as well as do some logging.In late testing phase i noticed an issue my app