If you are hosting advertising on your Windows Media server, the
advertising content is treated just like any other content you want
to stream. You should use playlists to reference your advertising
content in order to better track the consumption of the advertising
content. Use
Advertising content that is used for site branding, such as station identifications and welcome messages, is often stored locally and referenced in wrapper playlists. Conversely, advertisements that play at various times during the user's session are usually included in standard playlists.
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at webmaster@systemmanager.forsenergy.ru to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.