For reasons too long to explain my intranet still runs on old Web Part Pages. With this type of pages even when using the Media Web Part, it is impossible to embed a video from Videos or Stream.
The embed link provided is not accepted as a 'video from address' as well as the link provided from the generated email.
The link provided is (I have added spaces)
How it is possible to retrieve a URL that can be used with the Media web part?
Also the direct link from stream (which starts from web.microsoftstream.com) is not accepted.