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1. On the Windows 2003 server, open the Internet Information Services Manager.
2. Expand the Local Computer Server.
3. Right-click the local computer server and select Properties.
4. Select the MIME Types tab.
5. Click New and enter the following information:
- Associated Extension box: .FLV
- MIME Type box: flv-application/octet-stream
6. Click OK.
7. Restart the World Wide Web Publishing service.