Users may see issues accessing some Microsoft 365 services and portals

Title: Users may see issues accessing some Microsoft 365 services and portals

User impact: Users may see issues accessing some Microsoft 365 services and portals.

More info: We've edited the Title, User impact, and More info sections of this communication to align with our current understanding of the affected scenarios.

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 Dashboard, Copilot Analytics Power BI reports, and advanced reporting capabilities.
- Windows 365 users may be unable load the client to discover Cloud PC resources or initiate resource discovery through the end user API.

Current status: We've completed the deployment of a healthy configuration and we're continuing our active traffic balancing efforts as well as monitoring corresponding service telemetry to ensure widespread recovery.

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 our investigation continues.

Start time: Wednesday, October 29, 2025, 3:49 PM UTC

Preliminary root cause: A problematic configuration change was applied to a portion of Azure infrastructure.

Next update by: Wednesday, October 29, 2025, at 11:30 PM UTC

Current status: We've completed the deployment of the previous healthy configuration and are actively rebalancing traffic across healthy infrastructure to actualize recovery across the affected services.

This quick update is designed to give the latest information on this issue.

Title: Users may see issues accessing some Microsoft 365 services and portals

User impact: Users may see issues accessing some Microsoft 365 services and portals.

More info: We've edited the Title, User impact, and More info sections of this communication to align with our current understanding of the affected scenarios.

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.

Current status: We're deploying a previous healthy configuration to the affected portions of infrastructure to resolve this issue. This is being done in tandem with efforts to rebalance traffic across healthy infrastructure to achieve recovery as quickly as possible.

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 our investigation continues.

Start time: Wednesday, October 29, 2025, 3:49 PM UTC

Preliminary root cause: A problematic configuration change was applied to a portion of Azure infrastructure.

Next update by: Wednesday, October 29, 2025, at 9:30 PM UTC

Current status: We've halted the rollout of the impacting configuration change. We're continuing our 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, we're working to revert the impacted infrastructure to a previous healthy state.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access the Microsoft 365 admin center and see delays when accessing other Microsoft 365 services

User impact: Users may be unable to access the Microsoft 365 admin center and see delays when accessing other Microsoft 365 services.

More info: Additionally, admins are reporting issues when attempting to access some Microsoft Entra, Microsoft Purview, Microsoft Defender, Microsoft Power Apps and Microsoft Intune functions. Users are also seeing issues with add-ins and network connectivity in Outlook.

Current status: We've identified a recent configuration change to a portion of Azure infrastructure which we believe is causing the impact. We're pursuing multiple remediation strategies, including moving traffic away from the impacted infrastructure and blocking the offending change. We'll provide an estimated recovery time as soon as possible.

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 our investigation continues.

Next update by: Wednesday, October 29, 2025, at 7:30 PM UTC

Current status: We're rerouting affected traffic to alternate healthy infrastructure as a near-term resolution while our investigation into the source of the issue is ongoing.

This quick update is designed to give the latest information on this issue.

Current status: We're reviewing network and hosting infrastructure health to determine why the service is in an unhealthy state.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access the Microsoft 365 admin center and see delays when accessing other Microsoft 365 services

User impact: Users may be unable to access the Microsoft 365 admin center and see delays when accessing other Microsoft 365 services.

More info: Additionally, admins are reporting issues when attempting to access some Microsoft Purview and Microsoft Intune functions. Users are also seeing issues with add-ins and network connectivity in Outlook.

Current status: We're reviewing reports of an issue impacting Microsoft Azure and Microsoft 365 services, including impact to the Microsoft 365 admin center and other services, including but not limited to those described in the more info section of this communication. We're reviewing corresponding service telemetry to isolate the cause of the issue and determine our next troubleshooting steps.

Scope of impact: Any users attempting to access Microsoft 365 services may be impacted.

Next update by: Wednesday, October 29, 2025, at 5:30 PM UTC

Title: We're receiving reports of a potential problem impacting Microsoft 365 services

User impact: We're looking into a potential problem impacting Microsoft 365 services.

Current status: We're investigating a potential issue with Microsoft 365 services and checking for impact to your organization. We'll provide an update within 30 minutes.