Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client – ONGOING

Announcements Shagufta Naaz

19/07/2026 08:54:00 AM

NHS.net Connect Reference: INC46913296

Microsoft Reference: TM1457081

Issue Status: ONGOING

Issue Description: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client.

More info: Impact is specific to approximately four percent of screen sharing sessions initiated by users from the Microsoft Teams web client.

While we’re working to remediate impact, users can initiate unaffected screen sharing sessions using the desktop or mobile apps.

Current Update: 19/07/2026 08:54:00 AM – Microsoft’s investigation has identified a recent configuration change to the video processing pipeline contains an error, resulting in impact. They are reverted this change and are working to validate this issue is no longer occurring.

Scope of impact: Impact is limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client.

Next update by: Wednesday, August 19, 2026, at 12:00 PM UTC