Users may see issues accessing some Microsoft 365 services and portals
ID: MO1181369
Issue type: Incident
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Impacted services
Microsoft 365 suite
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Details
Title: Users may see issues accessing some Microsoft 365 services and portals
User impact: Users may have seen issues accessing some Microsoft 365 services and portals.
More info: Impacted scenarios included, but may not have been 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.
Final status: After extended monitoring, we confirmed that impact stemming from the Azure configuration change has been resolved.
Scope of impact: Any users attempting to access Microsoft 365 services, such as those detailed in the more info section above, may have been impacted.
Start time: Wednesday, October 29, 2025, 3:45 PM UTC
End time: Thursday, October 30, 2025, at 12:05 AM UTC
Preliminary root cause: A problematic configuration change was applied to a portion of Azure infrastructure.
Next steps:
-We're continuing to investigate what within the Azure configuration change initially led to impact so we can prevent similar configuration changes from resulting in future issues.
A preliminary post-incident report will be available on the Service Health Dashboard within two business days, followed by a final report to be published five business days after this post's closure.
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