How to set Media Service 4.1 with HTTP protocol to publish StreamAuthor's content?

Please go through the steps below:

1. Open Windows Media service 4.1 of Administrative tools at Windows 2k server
2. Go "Server properties" -> "HTTP Streaming and Distribution"
3. Check function of "Enable HTTP streaming for Windows Media Unicast service" -> Apply
4. Restart Server

Note: The setting will use 80 port, Web service with IIS will be closed, if you want to open web service, you will need to change the port.