Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some users may experience degraded video quality when screensharing in Microsoft Teams – RESOLVED

Announcements Sharmista Mohanta

24/08/2026 09:13:00 AM

NHS.net Connect Reference: INC46917216

Microsoft Reference: TM1460590

Issue Status: RESOLVED

Issue Description: Users may experience degraded video quality when screensharing in Microsoft Teams.

Final Update: 25/08/2026 09:15:00 AM – Microsoft has confirmed with a subset of affected users that their deployed fix has successfully resolved impact.

Scope of impact: Impact was specific to some users attempting to screenshare in Microsoft Teams.

Root cause: A recent update related to meeting performance optimisation was causing impact to some users.

Next steps: Microsoft is reviewing their update testing and validation procedures to identify opportunities to improve impact detection and prevent similar future issues.