To change the port
Windows Media Services uses for HTTP streaming
Click the server for which you want to change the port
allocated for HTTP streaming.
In the details pane, click the Properties tab.
In Category, click Control protocol.
In Plug-in, click WMS HTTP Server Control
Protocol, and then click Properties.
If you have more than one IP address available on your server,
in IP address, click Allow selected IP addresses to use
this protocol, and then click the specific IP addresses you
want to use from the list.
In Port selection, click Use other port, and then
type the port number you want to use in the space provided. HTTP
port numbers can range from 1 to 65535.
Click OK to apply the change.
In the details pane, in Plug-in, click WMS HTTP
Server Control Protocol. Click Enable to make the HTTP
protocol available for streaming content from your server.
Windows Media Services attempts to use port 80
by default, but that port is also commonly reserved for use by Web
servers. To avoid port conflict, use a port other than 80 for HTTP
streaming. If you do not use the default port, the URL that a
player uses to connect to the publishing point must include the new
port number. For example, if you change the HTTP port to port 1450,
the connection URL would be
To provide more than one port 80 on your server,
you can install additional network interface cards, or you can use
the networking features of the operating system to add additional
IP addresses to a single network interface card. After creating
additional IP address/port 80 combinations, you must configure
Windows Media Services and your Web server to utilize separate