Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some attendees can’t see screenshares during Managed Mode meetings in the Microsoft Teams web app – RESOLVED

Announcements Arpan Das

26/05/2025 08:25:00 AM

NHSmail Reference: INC46538457

Microsoft Reference: TM1081936

Issue Status: RESOLVED

Issue Description: Attendees may be unable to see the screenshare when being presented within a Managed Mode meetings on Web.

More info: This issue is likely specific to attendees who join a meeting while a screenshare is being presented or who switch focus between apps or displays while a screenshare is in progress.

Final Update: 30/05/2025 08:45:00 AM – Microsoft have successfully deployed to the affected environments, and following a period of monitoring, they’ve confirmed that the issue has been fully resolved.

Scope of impact: Your organization is affected by this issue, and it impacts some Microsoft Teams web app attendees attempting to view screenshares when the meeting is presented in Managed Mode.

Root cause: A recent standard service update contains a code change that’s preventing the attendees from seeing the screenshare within a Managed Mode meeting through the Microsoft Teams web app.

Next steps: Microsoft are reviewing their update procedures to better identify similar issues during their development and testing cycles.