Find an Answer
If you're trying to join a session and encounter a "webinar ID is invalid" error message, then one of the following might be the issue.
You might have entered it wrong.
First, try re-entering the 9-digit webinar ID to see if you might have made a typo.
You might have the wrong meeting ID.
It's possible that the webinar ID you have is incorrect. Try contacting the organizer who invited you to the webinar and asking for the correct webinar ID.
The meeting might be expired.
The meeting ID might be from a past webinar that already expired. Try contacting the organizer who invited you to the webinar and asking if there is an updated session you can attend.