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Whaddya know why .SWF .FLA .MP4 is not working in IIS 6.0?

I would like to share this information to my readers. I have a programmer working on a flash vide0/movie, and he asked me to move this to our web server. I said that's a piece of cake, consider it done.

Just to give you a quick background of my web server:
  • Windows 2003 Server Std.
  • IIS 6.0
Straight forward setup as you can see.

I've tested the html/swf file from the file server, it's working without any glitch. So, I moved all files and subdirectories to our web server. Let's call it and the sub-folder is /video/money_movie.html

Now visiting the site the video is not working. Hmm the troubleshooting begins... going to the actual swf file is not helping as well.

This is IIS issue, maybe the MIME extension is not supported. 

Here's how to:
  • In Windows 2003 server, open the IIS manager.
  • Expand the Local Computer Server
  • Right click on the lcoal computer server and select properties.
  • Click on MIME Types button
  • Check if .swf .fla .mp4 extension are there.
  • and if not, add them.
  • Click ok
  • Restart the World Wide Web Publishing service, this should fix your problem.
Extension to add:

Associated Extension: .flv
MIME Type box: application/octet-stream

Associated Extension: .swf
MIME Type box: application/x-shockwave-flash

Associated Extension: .mp4
MIME Type box: video/mpeg

For additional help, visit website.


  1. Thanks for the post. That fixed my problem.

  2. Great to know it help you. Best regards and keep on visiting my blog.



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