Multicast plug-ins enable the distribution of content using
multicast streaming. By adjusting the
multicast streaming plug-in properties, you can customize your
multicast transmission to suit your audience and make the best use
of your network capabilities.
Multicast streaming and the WMS Multicast Data
Writer plug-in are available only if Windows Media Services 9
Series is running on the following editions of the operating
system: Windows Server 2003, Enterprise Edition and Windows Server
2003, Datacenter Edition. If you are running Windows Server 2003,
Standard Edition, these features are not supported.