Microsoft Teams Outage History

Microsoft Teams experienced a partial outage beginning at Oct 29, 2025 6:36 PM UTC, with users reporting login issues, delays in voice and video, and features not loading across Teams and related Microsoft 365 apps. The disruption appeared widespread across regions, resulting in degraded access to a range of Microsoft 365 services and portals. The outage persisted for several hours, impacting user activity through most of the evening and into the early hours of the next day. The outage began at Oct 29, 2025 6:36 PM UTC and was resolved by Oct 30, 2025 2:11 AM UTC, lasting about 7 hours and 35 minutes.

From 2:30 PM UTC some Microsoft Teams users began reporting that Assignments were not loading, with a third report at 3:00 PM UTC. The issue affected the Assignments feature, hindering task management for users (including reports from Secaucus, New Jersey). StatusGator detected an Early Warning Signal for assignments not loading at Oct 29, 2025 3:09 PM UTC and the incident was resolved by 3:09 PM UTC after roughly 39 minutes. Microsoft Teams did not publish official updates to their status page during the incident.

In Japan, users experienced issues across multiple Microsoft 365 services, including Microsoft Teams, Outlook, and Microsoft 365 Copilot. The incident began at Oct 27, 2025 12:26 AM UTC and was resolved by Oct 27, 2025 2:51 AM UTC, lasting approximately 2 hours and 25 minutes. The service status indicated a degraded experience during this period with regional impact confined to the Japan region.

On Oct 9, 2025 6:46 PM UTC, Microsoft Teams and related Microsoft 365 services began a brief period of degraded access. Users across the United States reported authentication failures, difficulty loading Teams features, audio quality issues, and problems accessing files or SharePoint. The incidents appeared broadly US-wide, with multiple reports from different states indicating widespread disruption to Teams collaboration and Microsoft 365 capability.

Microsoft 365 experienced a broad outage impacting access to services and features, with users reporting sign-in problems, degraded performance, and notification delays. StatusGator detected the issue at Oct 9, 2025 6:17 PM UTC, about 29 minutes before Microsoft 365 acknowledged the problem at 6:46 PM UTC. The provider issued a preliminary notification and began telemetry review to determine the root cause, with the Early Warning Signal ending at 7:20 PM UTC. The incident included an initial status change to a degraded state and progressed toward resolution over the next hour.

From Sep 27, 2025 4:36 AM UTC to Sep 27, 2025 6:36 AM UTC, Microsoft Teams and several Microsoft 365 services experienced degraded performance and partial outages. The incident affected four components: Microsoft Teams, Power BI, Microsoft Fabric, and Windows 365. The status page indicated issues across multiple Microsoft 365 services, including degraded performance in Power BI and Fabric and Windows 365 connectivity problems, with Teams experiencing notification-related issues.

The provider issued two official status updates during the incident and the services returned to normal at Sep 27, 2025 6:36 AM UTC. The disruption lasted roughly two hours, primarily affecting collaboration, data analytics, and cloud PC access.

An extended degradation affected URL handling in Microsoft Teams and Exchange Online messages, preventing some users from opening links embedded in chats and emails. Admin alerts about potentially malicious URL clicks were observed, though the URLs were later confirmed safe, and some email messages were quarantined. The incident began at Sep 5, 2025 7:26 PM UTC and persisted until Sep 10, 2025 4:01 PM UTC, lasting roughly 4 days and 20 hours, with two official status updates issued during the outage.

An outage in North America briefly affected multiple Microsoft 365 services, including Exchange Online and Microsoft Teams. Users may have been unable to access Exchange Online mailboxes or provision new mailboxes, and Teams users faced difficulties creating groups and related features. The outage began at 11:38 PM UTC and lasted about 40 minutes, with resolution by 12:18 AM UTC.

During the incident, Microsoft 365's status page published two updates, noting a degraded experience in North America. The issues were resolved by 12:18 AM UTC and services returned to normal.

An outage briefly affected Microsoft Teams along with other Microsoft 365 services, causing degraded collaboration for some users. The incident started at 2:16 PM UTC and was resolved by 3:31 PM UTC, lasting about 1 hour 15 minutes. The impact appeared limited to a subset of users and services rather than a global outage, with Teams among the affected components.

Microsoft 365's status page documented the progression from a normal state to an alert level, noting that engineers were reviewing telemetry to isolate the root cause and determine next steps. The service issued two official updates during the incident before returning to normal at 3:31 PM UTC.

The incident primarily affected Canada-based Microsoft Teams users trying to access Microsoft 365 services, with Exchange Online connectivity problems that could prevent login or cause loading errors in Outlook and related apps. The outage began at 8:21 PM UTC and was resolved by 8:46 PM UTC, lasting about 25 minutes. Microsoft 365's status page posted two updates during the event, noting a Canada-focused issue and later restoring normal service. The disruption represented degraded access rather than a full global outage and was localized to the Canadian region.