Skype for Business/ Lync meeting expiration

Non-recurring meetings will expire in 2 weeks, if someone will opens it on 15th days  after meeting end date the URL will not work with error as below. I think 14 days is hardcoded, I’m not sure we can change it – refer to http://www.justin-morris.net/lync-conference-expiration-and-deactivation-explained/

To avoid the issue, create a recurring meeting, they will expire after farthest occurrence in the future.

About timestamp – note it is hardcoded to UTC time zone. 

Error:

We're having trouble getting you into the meeting.

This meeting may have expired, or it's possible you're using a bad URL. If the latter, try calling into the meeting using the phone number on the invite, or ask the organizer to drag you into the meeting from the Contacts list.

Machine:xxJoin attempted at(UTC):05/05/2017 07:52:54CorrelationId:94320997User Agent:Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.96 Safari/537.36Accept Header:text/htmlapplication/xhtml+xmlapplication/xml;q=0.9image/webp*/*;q=0.8Incoming URL:https://yyyTelemetryId:ffcc417b-9794-4445-8110-a530a3016ebdError:Invalid Conference organizer or Conference ID