Hello cschmid_,
I to am having the same problem. I may have a solution. I tried to upload a flv type video file and it failed. error http look familiar? I then tried a wmv file and it uploaded without a problem. I have to go here in a sec and I have not tried this yet but have had another issue that worked. I will try it when I get back. Sorry to droan on. Anyway I believe it is a mime issue. located in the iis panel. I believe you have to add the extension and it will work. I have to go and I will try this when I get back. I hope it works check it out. I will let you know.
