Start Time
Oct 29, 2025, 11:06 AM CDT
Affected services
Exchange Online
Microsoft 365 suite
Microsoft Intune
Microsoft Purview
Scope of impact
Any users attempting to access Microsoft 365 services, such as those detailed in the more info section above, may be impacted. This information may be updated as the investigation continues.
More info
Impacted scenarios include, but may not be limited to the following:
- Access to some Microsoft Entra, Microsoft Purview, Microsoft Defender, Microsoft Power Apps and Microsoft Intune functions. For example, Microsoft Defender for Cloud Apps policies may not be applying as expected.
- Access to security.microsoft.com, learn.microsoft.com, and other portals accessed through microsoft.com.
- Issues with add-ins and network connectivity in Outlook.
- Degraded functionality to some workflows within Microsoft Teams, including impact to location data in support of emergency calls. Users may also see transcription failures and issues leveraging Copilot within meetings.
- High latency, timeouts, errors, or complete inaccessibility to Microsoft Copilot Dashboard, Copilot Analytics Power BI reports, and advanced reporting capabilities.
Preliminary root cause
A problematic configuration change was applied to a portion of Azure infrastructure.
Updates
Current status (2:59 PM CDT): Microsoft has completed the deployment of a healthy configuration and they are continuing the active traffic balancing efforts as well as monitoring corresponding service telemetry to ensure widespread recovery.
(12:50 PM CDT): Microsoft has halted the rollout of the impacting configuration change. They are continuing efforts to route service traffic away from affected infrastructure where the change was already applied, to recover service availability as quickly as possible. In parallel, they are working to revert the impacted infrastructure to a previous healthy state.
(11:36 AM CDT): Microsoft is rerouting affected traffic to alternate healthy infrastructure as a near-term resolution while our investigation into the source of the issue is ongoing.