Users may be unable to use multiple Microsoft Teams features

A post-incident report has been published.

A post-incident report has been published.

Title: Users may be unable to use multiple Microsoft Teams features User impact: Users may have been unable to use multiple Microsoft Teams features. More info: Based on our telemetry, multiple Microsoft Teams features were affected such as: - Live Events - 1:1 Calling - PSTN Calling - Joining Meetings - Creating Meetings - Meeting General Functionality - Town Hall Functionality Final status: After a period of extended monitoring, we have confirmed that the issue is resolved. Scope of impact: This issue could have affected any user located in Asia-Pacific. Start time: Wednesday, August 26, 2026, at 1:00 AM UTC End time: Wednesday, August 26, 2026, at 2:00 AM UTC Root cause: We determined that maintenance related work in the region was inadvertently causing impact to service health. We will provide more information regarding the root cause within our Post-Incident Report. Next steps: We're actively reviewing the maintenance work that resulted in this issue to identify the underlying cause and how to prevent it from occurring again. We'll provide a preliminary Post-Incident Report within two business days and a final Post-Incident Report within five business days.

Our monitoring indicates that the issue is largely mitigated. We are continuing to monitor the service for the next 15 to 30 minutes to ensure there is no reoccurrence of this issue. This quick update is designed to give the latest information on this issue.

Title: Users may be unable to use multiple Microsoft Teams features User impact: Users may be unable to use multiple Microsoft Teams features. More info: Based on our telemetry, multiple Microsoft Teams features are affected: - Live Events - 1:1 Calling - PSTN Calling - Joining Meetings - Creating Meetings - Meeting General Functionality - Town Hall Functionality Current status: We have determined that maintenance related work was being conducted on the infrastructure based in Asia-Pacific. As an unintended result of this maintenance work, service health was impacted. We have paused our maintenance work and our telemetry indicates that the issue is no longer occurring. We're continuing to monitor service health and work with reporting users that the issue is no longer occurring. Scope of impact: This issue could affect any user located in Asia-Pacific. This section is subject to change as our investigation continues. Start time: Wednesday, August 26, 2026, at 1:00 AM UTC Preliminary root cause: Maintenance related work in the region is inadvertently causing impact to service health. We will provide more information regarding the root cause as soon as possible. Next update by: Wednesday, August 26, 2026, at 3:00 AM UTC

Title: Users may be unable to join and create Microsoft Teams meetings User impact: Users may be unable to join and create Microsoft Teams meetings. 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.