This article provides instructions to troubleshoot an error message "There's a problem with the network. Please check your network connection or firewall settings." while trying to stream a video in Classic Stream.
Microsoft recommends using "web.microsoftstream.com". Ensure that the link to your video begins with web.microsoftstream.com, NOT www.microsoftstream.com.
If the issue persists, please clear your cache and cookies. Then, try again with your link to the video in Classic Stream starting with "web.microsoftstream.com".