The following update has been posted by Microsoft
Oct 29, 2025, 7:26 PM EDT
Our configuration deployment and traffic rebalancing is showing steady service health improvement for scenarios listed in the "More info" section of this communication. Some users may experience residual impact until availability fully recovers. We're monitoring for an extended period to ensure service health is restored as expected.
Next update by:
Wednesday, October 29, 2025 at 9:00 PM EDT
Users may see issues accessing some Microsoft 365 services and portals
Issue ID: MO1181369
Affected services: Exchange Online, Microsoft 365 suite, Microsoft Defender XDR, Microsoft Entra, Microsoft Intune, Microsoft Purview, Microsoft Teams, Power Apps in Microsoft 365
Status: Service degradation
Issue type: Incident
Start time: Oct 29, 2025, 11:45 AM EDT
More info
Impacted scenarios include, but may not be limited to the following:
- Access to some Microsoft Entra, Microsoft Power Apps, Microsoft Intune, and Microsoft Defender functions.
- Microsoft Purview Information Protection (MIP), Data Lifecycle Management (DLM), eDiscovery, Microsoft Purview Insider Risk Management (IRM), Communications Compliance, Data Governance, and other related Microsoft Purview features.
- Access to the Exchange admin center (EAC), 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 inaccessibility of Microsoft Copilot Dashboards, Copilot Analytics Power BI reports, and advanced reporting capabilities.
- Intermittent connectivity and device discovery issues for Windows 365 Cloud PC users, and issues for admins performing device actions and provisioning new Cloud PCs.
Scope of impact
Any users attempting to access Microsoft 365 services, such as those detailed in the more info section above, may be impacted.
Preliminary root cause
A problematic configuration change was applied to a portion of Azure infrastructure.
Posted Oct 29, 2025 - 20:48 EDT