Issues accessing or using Microsoft 365 services routed through the North America region.

A post-incident report has been published.

A post-incident report has been published.

A post-incident report has been published.

Title: Issues accessing or using Microsoft 365 services routed through the North America region. User impact: Users may have experienced issues accessing or using Microsoft 365 services routed through the North America region. More info: We've confirmed that the issue may have affected multiple Microsoft 365 services, including but not limited to: -Microsoft OneDrive: Intermittent connection issues. -SharePoint Online: Intermittent connection issues. Some users were receiving “Something went wrong” errors. -Microsoft Teams: Degraded chat functionality, including images not loading. Additionally, real-time voice apps reporting and historical reporting were not functioning as expected. -Copilot Chat: Intermittent delays using Copilot Chat and failures in query actions. -Microsoft 365 Admin Center: Latency and intermittent inability to access features -Power Automate: Automate flows not loading. -Microsoft Loop: Unable to open or load Loop pages. -Microsoft Purview: Degraded Purview DLP Agent response time. eDiscovery and Data -Security Investigations failures when submitting new jobs and delays in processing existing jobs. Additionally, admins may have been unable to view their policies or navigate in the Purview portal. Retries may have succeed. -Fabric/Power BI: Users in the West US region may have encountered issues accessing Publish to Web reports. Some users in Europe and Asia Pacific regions may also have been intermittently delayed when accessing Fabric artifacts due to service dependencies in West US. -Power Apps: Users may have experienced some issues accessing the Power Apps Portal and may also have experienced Canvas Apps not loading and data sources failing to connect. -Copilot Studio: Users may have been unable to load the Copilot Studio Portal and data sources may also have failed to connect. -Windows 365: Users may have been unable to select a non-English (United States) language for their Cloud PC post provisioning. They could have tried reprovisioning and language selection again and it may have succeeded on the retry. - Microsoft Defender: Users may have experienced delays receiving responses from Microsoft Defender Experts. Additionally, investigations and workflows handled by Defender Experts may have been delayed. Furthermore, any remediations that fired via Threat Explorer and Advanced Hunting may have failed. Admins may have to re-trigger remediations manually from Threat Explorer and Advanced Hunting. Final status: We’ve completed reverting the networking update and confirmed through service telemetry and customer reports that this issue is resolved. Scope of impact: Users accessing Microsoft 365 services through affected network paths in the North America region may have been impacted. Users from other regions who were served by this infrastructure may also have experienced impact. Start time: Thursday, July 23, 2026, at 2:44 PM UTC End time: Thursday, July 23, 2026, at 6:40 PM UTC Root cause: A detailed root cause is provided within the Post Incident Report. Some Microsoft 365 services took actions, such as rerouting connections to alternate infrastructures, to resolve their impacts sooner. Next steps: - For a more comprehensive list of next steps and actions, please refer to the Post Incident Report document. We'll provide a preliminary Post-Incident Report within two business days and a final Post-Incident Report within five business days. We’ll be providing an additional Final Post Incident report in line with Azure Networking’s PIR due to be published by August 7, 2026.

Title: Issues accessing or using Microsoft 365 services routed through the North America region. User impact: Users may experience issues accessing or using Microsoft 365 services routed through the North America region. More info: We've confirmed that the issue may affect multiple Microsoft 365 services, including but not limited to: - Microsoft OneDrive: Intermittent connection issues. - SharePoint Online: Intermittent connection issues. Some users are receiving “Something went wrong” errors. - Microsoft Teams: Degraded chat functionality, including images not loading. Additionally, real-time voice apps reporting and historical reporting are not functioning as expected. - Copilot Chat: Intermittent delays using Copilot Chat and failures in query actions. - Microsoft 365 Admin Center: Latency and intermittent inability to access features - Power Automate: Automate flows not loading. - Microsoft Loop: Unable to open or load Loop pages. - Microsoft Purview: Degraded Purview DLP Agent response time. eDiscovery and Data Security Investigations failures when submitting new jobs and delays in processing existing jobs. Additionally, admins may be unable to view their policies or navigate in the Purview portal. Retries may succeed. - Fabric/Power BI: Users in the West US region may encounter issues accessing Publish to Web reports. Some users in Europe and Asia Pacific regions may also be intermittently delayed when accessing Fabric artifacts due to service dependencies in West US. -Power Apps: Users may experience some issues accessing the Power Apps Portal and may also experience Canvas Apps not loading and data sources failing to connect. -Copilot Studio: Users may be unable to load the Copilot Studio Portal and data sources may also fail to connect. -Windows 365: Users may be unable to select a non-English (United States) language for their Cloud PC post provisioning. They can try reprovisioning and language selection again and it may succeed on retry. Current status: We’ve completed reverting the networking update, and our telemetry indicates impact is resolved for the vast majority of users. We're reviewing all known impact scenarios and monitoring for a period of time to confirm resolution for all affected environments. Scope of impact: Users accessing Microsoft 365 services through affected network paths in the North America region may be impacted. Users from other regions who are served by this infrastructure may also experience impact. Start time: Thursday, July 23, 2026, at 2:44 PM UTC Next update by: Thursday, July 23, 2026, at 8:00 PM UTC

We've confirmed that our networking change reversion has completed, and our telemetry indicates that our service has recovered following this action. We're closely monitoring our telemetry and reaching out to sample affected users to validate resolution while we evaluate what other actions may be needed. This quick update is designed to give the latest information on this issue.

Title: Issues accessing or using Microsoft 365 services routed through the North America region. User impact: Users experiencing issues accessing or using Microsoft 365 services routed through the North America region. More info: We've confirmed that the issue may affect multiple Microsoft 365 services, including but not limited to: - Microsoft OneDrive: Intermittent connection issues. - SharePoint Online: Intermittent connection issues. Some users are receiving “Something went wrong” errors. - Microsoft Teams: Degraded chat functionality, including images not loading. Additionally, real-time voice apps reporting and historical reporting are not functioning as expected. - Copilot Chat: Intermittent delays using Copilot Chat and failures in query actions. - Microsoft 365 Admin Center: Latency and intermittent inability to access features - Power Automate: Automate flows not loading. - Microsoft Loop: Unable to open or load Loop pages. - Microsoft Purview: Degraded Purview DLP Agent response time. eDiscovery and Data Security Investigations failures when submitting new jobs and delays in processing existing jobs. - Fabric/Power BI: Users in the West US region may encounter issues accessing Publish to Web reports. Some users in Europe and Asia Pacific regions may also be intermittently delayed when accessing Fabric artifacts due to service dependencies in West US. -Power Apps: Users may experience some issues accessing the Power Apps Portal and may also experience Canvas Apps not loading and data sources failing to connect. -Copilot Studio: Users may be unable to load the Copilot Studio Portal and data sources may also fail to connect. -Windows 365: Users may be unable to select a non-English (United States) language for their Cloud PC post provisioning. They can try reprovisioning and language selection again and it may succeed on retry. Current status: Our service telemetry indicates that rerouting traffic has provided some relief across affected services. We’re continuing to perform targeted traffic-routing actions while we revert the networking change mentioned in our last update. We're monitoring our telemetry and working directly with some impacted customers to ensure our actions are effectively addressing impact. We expect the configuration change reversion to complete by our next scheduled update, and we’re evaluating other pathways to expedite recovery. Scope of impact: Users accessing Microsoft 365 services through affected network paths in the North America region may be impacted. Users from other regions who are served by this infrastructure may also experience impact. Start time: Thursday, July 23, 2026, at 2:44 PM UTC Next update by: Thursday, July 23, 2026, at 7:00 PM UTC

We've identified a recent network configuration change that may be contributing to impact. We're reverting this change in parallel to our ongoing traffic rerouting actions. This quick update is designed to give the latest information on this issue.

We're scaling traffic rerouting efforts up across our service infrastructure and are seeing indications of increasing relief in our telemetry. We're implementing additional mitigation measures alongside these actions to improve service availability and expedite resolution for affected users. This quick update is designed to give the latest information on this issue. Next update by: Thursday, July 23, 2026, at 6:00 PM UTC

Title: Issues accessing or using Microsoft 365 services in the North America region. User impact: Users may be experiencing issues accessing or using Microsoft 365 services in the North America region. More info: We've confirmed that multiple Microsoft 365 services are degraded, including but not limited to: -Microsoft OneDrive - Access to OneDrive is intermittent. -SharePoint Online - Error message, “Something went wrong” -Microsoft Teams - Degraded chat functionality, including images not loading. -Microsoft 365 Admin Center - Admin Center is loading slowly or not at all. -Power Automate - Automate flows not loading. -Copilot Chat - Intermittent delays or failures in any Copilot Chat action and query. -Microsoft Loop - Unable to open or load Loop pages. Current status: We performed traffic rerouting for some of the affected infrastructure and our initial telemetry indicates that these actions have contributed to partial recovery for some users. We're scaling up our rerouting efforts while continuing to evaluate additional mitigation actions. Scope of impact: Users accessing Microsoft 365 services through affected network paths in the North America region may be impacted, though users located or served from other regions may also experience impact. Start time: Thursday, July 23, 2026, at 2:44 PM UTC Next update by: Thursday, July 23, 2026, at 6:00 PM UTC

We've identified alternate network paths and are validating the best next steps to improve service availability. We're continuing to monitor telemetry to assess whether we can take additional actions to expedite recovery for impacted users. This quick update is designed to give the latest information on this issue. Next update by: Thursday, July 23, 2026, at 5:00 PM UTC

Title: Issues accessing or using Microsoft 365 services in the North America region. User impact: Users may be experiencing issues accessing or using Microsoft 365 services in the North America region. More info: We've confirmed that the issue may affect multiple Microsoft 365 services, including but not limited to: - OneDrive for Business - SharePoint Online - Microsoft Teams - Microsoft365 Admin Center - Power Automate Current status: We’ve identified specific network paths as a focus area and are using diagnostic data from affected infrastructure to determine the source of impact and plan mitigation actions. Scope of impact: Users accessing Microsoft 365 services through affected network paths in the North America region may be impacted. Start time: Thursday, July 23, 2026, at 2:44 PM UTC Next update by: Thursday, July 23, 2026, at 5:00 PM UTC

Title: Issues accessing or using Microsoft 365 services in the North America region. User impact: Users may be experiencing issues accessing or using Microsoft 365 services in the North America region. More info: We've confirmed that the issue may affect multiple Microsoft 365 services, including but not limited to: - SharePoint Online - Microsoft Teams - Microsoft365 Admin Center - Power Automate Current status: We’ve identified specific network paths as a focus area and are using diagnostic data from affected infrastructure to determine the source of impact and plan mitigation actions. Scope of impact: Users accessing Microsoft 365 services through affected network paths in the North America region may be impacted. Start time: Thursday, July 23, 2026, at 2:44 PM UTC Next update by: Thursday, July 23, 2026, at 5:00 PM UTC

Title: Issues accessing or using Microsoft 365 services in the North America region User impact: Users may be experiencing issues accessing or using Microsoft 365 services in the North America region. Current status: We are continuing our investigation and are reviewing recent changes for potential correlation while we analyze service telemetry and available diagnostic data. Scope of impact: Users accessing Microsoft 365 services through affected network paths in the North America region may be impacted. Start time: Thursday, July 23, 2026, at 2:44 PM UTC Next update by: Thursday, July 23, 2026, at 5:00 PM UTC

Title: Investigating user reports of Microsoft 365 issues User impact: We don't have detail on impact yet. We're seeing an increase in user reported issues above our alerting threshold. Current status: We are reviewing service telemetry and available information to determine if there is an issue happening and we'll update this message shortly with our latest findings. This communication serves as a preliminary notification about a potential issue affecting your service. We'll provide an update in 30 minutes.