Microsoft KB Archive/253267

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Error: The Specified Stream Type Is Not Recognized (0xc00d0026) when Starting Program

Article ID: 253267

Article Last Modified on 10/23/2003


  • Microsoft Windows Media Services 4.0
  • Microsoft Windows Media Services 4.1

This article was previously published under Q253267


If you configure a multicast station and start the application on a Windows Media server, you may receive the following error in the stream status:

Error: The specified stream type is not recognized. (0xc00d0026)


When you are configuring a stream for a program on a Windows Media server, you can add a stream manually by clicking the Streams button and selecting New. This dialog box allows you to put in any URL on the Source/Destination tab and does not check the validity of the URL.


Ensure that you are using a valid URL for the source of your stream.


Valid URLs for a stream source can only be paths to an encoder, another Windows Media server set up for distribution, or a unicast publishing point. For example:




Note that local file system paths such as C:\Asfroot\Sample.asf and UNC paths such as \\server1\fileshare\sample.asf are not valid paths.

Additional query words: netshow wms

Keywords: kbprb kbpending KB253267