Yessir, the application is exactly the same. However, when our IIS 5.0 (Win 2000 Server) server died, I setup IIS 5.0 on WinXP as a temporary server, and this temp. server exhibited the same lack of functionality (no .wmv over https). I am able to access all files over https (.asp, .htm, .doc, .rtf,...

Let's say embedded.htm has an embedded player playing some.wmv. Both files are in the root. Then: https://mysite/embedded.htm WORKS http://mysite/embedded.htm WORKS http://mysite/some.wmv WORKS https://mysite/some.wmv FAILS - WMP opens, tries to load the file, then says there's been a network...