A Microsoft Teams issue beginning August 3, 2026 prevented iOS mobile app users from joining Teams live events, displaying a "The video player stopped working" error caused by the iOS client failing to authenticate with live events as expected. The incident lasted approximately 118 hours, affecting any user attempting to join live events via the Teams iOS app. As a workaround, users were directed to join via Android, desktop, or web clients while Microsoft investigated authentication logs to develop a remediation strategy.
Trusted by 1,000+ teams
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Title: Users may be unable to join Microsoft Teams live events using the iOS mobile app
User impact: Users may be unable to join Microsoft Teams live events using the iOS mobile app.
More info: Affected users are seeing the following message:
"The video player stopped working".
While we're working to remediate impact, affected users can join Teams Live Events using the Microsoft Teams Android, desktop, or web clients.
Current status: Our analysis of gathered telemetry indicates that the iOS client isn't authenticating with live events as expected. We're expanding our investigation to include authentication logs to further our understanding of impact and develop a remediation strategy.
Scope of impact: Any user joining a Microsoft Teams live event from the Microsoft Teams iOS mobile app may be affected. This information may be updated as our investigation continues.
Start time: Monday, August 3, 2026, at 12:00 AM UTC
Next update by: Saturday, August 8, 2026, at 1:30 AM UTC
Title: Users may be unable to join Microsoft Teams live events using the iOS mobile app
User impact: Users may be unable to join Microsoft Teams live events using the iOS mobile app.
More info: Affected users are seeing the following message:
"The video player stopped working".
While we're working to remediate impact, affected users can join Teams Live Events using the Microsoft Teams Android, desktop, or web clients.
Current status: Our monitoring has identified an increase in user join errors with the Microsoft Teams iOS client. We're analyzing service telemetry to better understand the impact scenario and determine our next steps.
Scope of impact: Any user joining a Microsoft Teams live event from the Microsoft Teams iOS mobile app may be affected. This information may be updated as our investigation continues.
Start time: Monday, August 3, 2026, at 12:00 AM UTC
Next update by: Friday, August 7, 2026, at 9:30 PM UTC
Title: Users may be unable to join Microsoft Teams live events using the iOS mobile app
User impact: Users may be unable to join Microsoft Teams live events using the iOS mobile app.
More info: While we're working to remediate impact, affected users can join Teams Live Events using the Microsoft Teams Android, desktop, or web clients.
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.
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with