Enabling Flash Video (FLV) Playback on Windows IIS

Here’s another “gotcha” courtesy of Microsoft: by default, IIS doesn’t include a MIME type for Flash Video (FLV) files, resulting in a 404 Not Found error whenever you try to access the file. One would think that they would deliver a 401 Unauthorized error, but hey… what do I know?

Right click on either the individual site or the full server, and then click “Properties.”

  1. Click on the “HTTP Headers” tab.
  2. Choose “File Types” and click “New Type.”
  3. Add “.flv” for the associated extension, and “video/x-flv” as the content-type.
  4. Click OK to save the addition, and close out.

Like everything with IIS, you may need to restart the service to see the change.

This is just one more reason to use Apache on Linux.

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