Unable to access some Microsoft 365 services

Title: Unable to access some Microsoft 365 services

User impact: Users may be unable to access some Microsoft 365 services.

More info: Users who can access the impacted Microsoft 365 services may experience latency or degraded feature performance.

These lists will change as we confirm that different services are or aren’t affected.
- Impacted services include, but are not limited to:
- Intune
- Entra
- Power Platform
- Power BI

- We've confirmed that the following services are not impacted:
- SharePoint Online
- OneDrive for Business
- Microsoft Teams
- Exchange Online

Current status: We've completed our additional mitigation actions to address the adverse impact. We're now performing final validations to confirm the issue is fully resolved.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, and the problem could affect any user attempting to utilize some Microsoft 365 services or features.

Start time: Tuesday, July 30, 2024, at 11:45 AM UTC

Next update by: Tuesday, July 30, 2024, at 9:30 PM UTC

Title: Unable to access some Microsoft 365 services

User impact: Users may be unable to access some Microsoft 365 services.

More info: Users who can access the impacted Microsoft 365 services may experience latency or degraded feature performance.

These lists will change as we confirm that different services are or aren’t affected.
- Impacted services include, but are not limited to:
- Intune
- Entra
- Power Platform
- Power BI

- Initial indications are that the following services are not impacted:
- SharePoint Online
- OneDrive for Business
- Microsoft Teams
- Exchange Online

Current status: We’ve confirmed that the updated mitigation approach is successfully addressing the remaining impact. We're applying these changes in the final regions and will continue to monitor service health to ensure the issue is fully resolved once completed.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, and the problem could affect any user attempting to utilize some Microsoft 365 services or features.

Start time: Tuesday, July 30, 2024, at 11:45 AM UTC

Next update by: Tuesday, July 30, 2024, at 8:30 PM UTC

Title: Unable to access some Microsoft 365 services

User impact: Users may be unable to access some Microsoft 365 services.

More info: Users who can access the impacted Microsoft 365 services may experience latency or degraded feature performance.

These lists will change as we confirm that different services are or aren’t affected.
- Impacted services include, but are not limited to:
- Intune
- Entra
- Power Platform
- Power BI

- Initial indications are that the following services are not impacted:
- SharePoint Online
- OneDrive for Business
- Microsoft Teams
- Exchange Online

Current status: As we investigate reports of specific services and regions that are still experiencing intermittent errors, we believe that our network configuration changes have successfully mitigated the impacts of the usage spike, but that these changes are causing some inadvertent side effects to certain services. We're updating our mitigation approach to minimize these side effects and applying these changes in phases to ensure no additional impact is observed.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, and the problem could affect any user attempting to utilize some Microsoft 365 services or features.

Start time: Tuesday, July 30, 2024, at 11:45 AM UTC

Next update by: Tuesday, July 30, 2024, at 7:30 PM UTC

Title: Unable to access some Microsoft 365 services

User impact: Users may be unable to access some Microsoft 365 services.

More info: Users who can access the impacted Microsoft 365 services may experience latency or degraded feature performance.

These lists will change as we confirm that different service are or aren’t affected.
- Impacted services include, but are not limited to:
- Microsoft 365 admin center
- Intune
- Entra
- Power Platform
- Power BI

- Initial indications are that the following services are not impacted:
- SharePoint Online
- OneDrive for Business
- Microsoft Teams
- Exchange Online

Current status: We've isolated a small amount of network packet drops and residual impact. We're adjusting the networking configuration changes to mitigate impact. Availability for most services remains stable and we continue to monitor to ensure full mitigation.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, and the problem could affect any user attempting to utilize some Microsoft 365 services or features.

Next update by: Tuesday, July 30, 2024, at 6:30 PM UTC

Title: Unable to access some Microsoft 365 services

User impact: Users may be unable to access some Microsoft 365 services.

More info: Users who can access the impacted Microsoft 365 services may experience latency or degraded feature performance.

These lists will change as we confirm that different service are or aren’t affected.
- Impacted services include, but are not limited to:
- Microsoft 365 admin center
- Intune
- Entra
- Power Platform
- Power BI

- Initial indications are that the following services are not impacted:
- SharePoint Online
- OneDrive for Business
- Microsoft Teams
- Exchange Online

Current status: Telemetry shows that the service has remained stable. We're continuing to monitor the service for an extended period of time to confirm resolution.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, and the problem could affect any user attempting to utilize some Microsoft 365 services or features.

Next update by: Tuesday, July 30, 2024, at 5:30 PM UTC

Title: Unable to access some Microsoft 365 services

User impact: Users may be unable to access some Microsoft 365 services.

More info: Users who can access the impacted Microsoft 365 services may experience latency or degraded feature performance.

These lists will change as we confirm that different service are or aren’t affected.
- Impacted services include, but are not limited to:
- Microsoft 365 admin center
- Intune
- Entra
- Power Platform
- Power BI

- Initial indications are that the following services are not impacted:
- SharePoint Online
- OneDrive for Business
- Microsoft Teams
- Exchange Online

Current status: We've implemented a networking configuration change, and some Microsoft 365 services have performed failovers to alternate networking paths to provide relief. Monitoring telemetry shows improvement in service availability, and we're continuing to monitor to ensure full recovery.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, attempting to utilize some Microsoft 365 services or features.

Next update by: Tuesday, July 30, 2024, at 4:30 PM UTC

We've implemented a networking configuration change and some Microsoft 365 services have performed failovers to alternate networking paths to provide relief. Monitoring telemetry shows improvement in service availability, and we're continuing to monitor to ensure full recovery.

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

Title: Unable to access some Microsoft 365 services

User impact: Users may be unable to access some Microsoft 365 services.

More info: Users who can access the impacted Microsoft 365 services may experience latency or degraded feature performance.

These lists will change as we confirm that different services are or aren’t affected.
- Impacted services include, but are not limited to:
- Microsoft 365 admin center
- Intune
- Entra
- Power Platform

- Initial indications are that the following services are not impacted:
- SharePoint Online
- OneDrive for Business
- Microsoft Teams
- Exchange Online

Current status: We’re analyzing traffic patterns within a section of a networking infrastructure to assist our investigations. Additionally, we’re reviewing mitigation options, including potential failovers, to provide relief.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, attempting to utilize some Microsoft 365 services or features.

Next update by: Tuesday, July 30, 2024, at 3:30 PM UTC

We've confirmed that the issue is only occurring within a section of our networking infrastructure and doesn't impact all Microsoft 365 services. We're updating our full communication message to confirm which services are not impacted.

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

Title: Unable to access multiple Microsoft 365 services

User impact: Users may be unable to access multiple Microsoft 365 services.

More info: Users who are able to access Microsoft 365 service may experience latency or degraded feature performance.

Current status: We've identified a potential networking issue and we're investigating this further.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, attempting to utilize multiple Microsoft 365 services or features.

Next update by: Tuesday, July 30, 2024, at 3:00 PM UTC

Our investigation is currently focused on networking infrastructure.

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

Title: Unable to access multiple Microsoft 365 services

User impact: Users may be unable to access multiple Microsoft 365 services.

More info: Users who are able to access Microsoft 365 service may experience latency or degraded feature performance.

Current status: We're reviewing service monitoring telemetry to determine our next troubleshooting steps.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, attempting to utilize multiple Microsoft 365 services or features.

Next update by: Tuesday, July 30, 2024, at 2:30 PM UTC

Title: Unable to access multiple Microsoft 365 services

User impact: Users may be unable to access multiple Microsoft 365 services.

More info: Users who are able to access Microsoft 365 service may experience latency or degraded feature performance.

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