Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client and VDI

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client and VDI User impact: Users may have experienced degraded video quality when screen sharing using the Microsoft Teams web client and VDI. More info: Impact was specific to approximately four percent of screen sharing sessions initiated by users from the Microsoft Teams web client. This may also have impacted users attempting to screenshare through VDI. While we're working to remediate impact, users can initiate unaffected screen sharing sessions using the desktop or mobile apps. Final status: We've confirmed that the fix has completed its deployment and validated that this issue has been remediated using service telemetry. Scope of impact: Impact was limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client and VDI. End time: Friday, August 21, 2026, at 3:00 PM UTC Root cause: A recent configuration change to the video processing pipeline contains an error, which resulted in impact. Next steps: - We're continuing our analysis of the impacting configuration change to better identify and prevent similar impact in the future. This is the final update for the event.

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client and VDI User impact: Users may experience degraded video quality when screen sharing using the Microsoft Teams web client and VDI. More info: Impact is specific to approximately four percent of screen sharing sessions initiated by users from the Microsoft Teams web client. This may also impact users attempting to screenshare through VDI. While we're working to remediate impact, users can initiate unaffected screen sharing sessions using the desktop or mobile apps. Current status: We've deployed our fix to 10 percent of the affected environment. We're monitoring service health telemetry for a period to ensure no regressions occur, after which we'll proceed with deploying to the remaining affected environment. Scope of impact: Impact is limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client and VDI. This information may be updated as our investigation continues. Start time: Thursday, August 13, 2026, at 8:21 AM UTC Root cause: A recent configuration change to the video processing pipeline contains an error, which is resulting in impact. Next update by: Friday, August 21, 2026, at 5:00 PM UTC

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client and VDI User impact: Users may experience degraded video quality when screen sharing using the Microsoft Teams web client and VDI. More info: Impact is specific to approximately four percent of screen sharing sessions initiated by users from the Microsoft Teams web client. This may also impact users attempting to screenshare through VDI. While we're working to remediate impact, users can initiate unaffected screen sharing sessions using the desktop or mobile apps. Current status: We've confirmed with a subset of affected users that the issue has been mitigated following the deployment of the fix. The fix is now being deployed across the remaining environments and we expect to provide a confirmed completion timeline in our next scheduled update. Scope of impact: Impact is limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client and VDI. This information may be updated as our investigation continues. Root cause: A recent configuration change to the video processing pipeline contains an error, which is resulting in impact. Next update by: Thursday, August 20, 2026, at 5:00 PM UTC

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client User impact: 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 status: We're working with your representatives to ensure that affected users have received the fix and that impact is fully resolved. Scope of impact: Impact is limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client. This information may be updated as our investigation continues. Root cause: A recent configuration change to the video processing pipeline contains an error, which is resulting in impact. Next update by: Thursday, August 20, 2026, at 9:00 AM UTC

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client User impact: 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 status: We're reaching out to affected users to confirm that the fix has been effective and that the issue has been mitigated. Scope of impact: Impact is limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client. This information may be updated as our investigation continues. Root cause: A recent configuration change to the video processing pipeline contains an error, which is resulting in impact. Next update by: Thursday, August 20, 2026, at 6:00 AM UTC

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client User impact: 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 status: We've validated that reverting the previously identified change did not resolve the issue. As a result, we've deployed an additional configuration update for the web client which has completed deployment. Once the fix is fully propagated, we'll confirm with affected users whether the update has successfully mitigated the impact. Scope of impact: Impact is limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client. This information may be updated as our investigation continues. Root cause: A recent configuration change to the video processing pipeline contains an error, which is resulting in impact. Next update by: Wednesday, August 19, 2026, at 2:00 PM UTC

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client User impact: 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 status: Our investigation has identified a recent configuration change to the video processing pipeline contains an error, resulting in impact. We've 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. This information may be updated as our investigation continues. Next update by: Wednesday, August 19, 2026, at 12:00 PM UTC

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client User impact: 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 status: We're analyzing service telemetry to better understand the impact scenario and determine our next diagnostic steps. Scope of impact: Impact is limited to approximately four percent of users initiating screen sharing from the Microsoft Teams web client. This information may be updated as our investigation continues. Next update by: Tuesday, August 18, 2026, at 5:00 PM UTC

Title: Some users may experience degraded video quality when screen sharing using the Microsoft Teams web client User impact: Users may experience degraded video quality when screen sharing using the Microsoft Teams web client. Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.