Users may be unable to access multiple Microsoft 365 services using Global Secure Access (GSA)

Title: Users may be unable to access multiple Microsoft 365 services using Global Secure Access (GSA)

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


More info: Impacted services may include, but aren't limited to:
- Outlook
- Outlook on the web
- OneDrive
- SharePoint Online
- Microsoft Teams
- Windows 365 Cloud PCs

Current status: We're restarting a portion of impacted infrastructure where we've removed traffic and are seeing positive trends towards recovery. We've confirmed through internal testing that this resolves impact for some users and we're monitoring to validate the full recovery of the service.

Scope of impact: Some users in Germany and the United Kingdom attempting to access Microsoft 365 services listed in the More info section using GSA may be impacted.

Start time: Tuesday, October 13, 2026, at 8:00 AM UTC

Preliminary root cause: A section of GSA infrastructure is performing below acceptable performance thresholds, affecting connectivity to Microsoft 365 services and resulting in impact.

Next update by: Tuesday, October 13, 2026, at 5:30 PM UTC

Title: Users may be unable to access multiple Microsoft 365 services using Global Secure Access (GSA)

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


More info: Impacted services may include, but aren't limited to:
- Outlook
- Outlook on the web
- OneDrive
- SharePoint Online
- Microsoft Teams
- Windows 365 Cloud PCs

Current status: We've completed redirecting traffic to healthy infrastructure and are assessing for positive trends towards recovery. We're continuing to investigate additional mitigating actions to expedite remediation.

Scope of impact: Some users in Germany and the United Kingdom attempting to access Microsoft 365 services listed in the More info section using GSA may be impacted.

Start time: Tuesday, October 13, 2026, at 8:00 AM UTC

Preliminary root cause: A section of GSA infrastructure is performing below acceptable performance thresholds, affecting connectivity to Microsoft 365 services and resulting in impact.

Next update by: Tuesday, October 13, 2026, at 4:30 PM UTC

We're redirecting traffic from the underperforming infrastructure to improve service health. We're monitoring to confirm this will fully resolve impact.

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

Title: Users may be unable to access multiple Microsoft 365 services using Global Secure Access (GSA)

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


More info: Impacted services may include, but aren't limited to:

- Outlook
- Outlook on the web
- OneDrive
- SharePoint Online
- Microsoft Teams
- Windows 365 Cloud PCs

Current status: We've deployed the traffic optimizations and although we saw a reduction of errors initially, this did not fully resolve the issue. We're continuing to troubleshoot the issue to develop additional mitigation strategies.

Scope of impact: Some users in Germany and the United Kingdom attempting to access Microsoft 365 services listed in the More info section using GSA may be impacted.

Start time: Tuesday, October 13, 2026, at 8:00 AM UTC

Root cause: A section of GSA infrastructure is performing below acceptable performance thresholds, affecting connectivity to Microsoft 365 services and resulting in impact.

Next update by: Tuesday, October 13, 2026, at 3:30 PM UTC

Title: Users may be unable to access multiple Microsoft 365 services using Global Secure Access (GSA)

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

More info: Impacted services may include, but aren't limited to:

- Outlook
- Outlook on the web
- OneDrive
- SharePoint Online
- Microsoft Teams
- Windows 365 Cloud PCs

Current status: We're continuing to apply the aforementioned traffic and performance optimizations with early signals showing signs of recovery.

Scope of impact: Some users in Germany and the United Kingdom attempting to access Microsoft 365 services listed in the More info section using GSA may be impacted.

Preliminary root cause: A section of GSA infrastructure is performing below acceptable performance thresholds, affecting connectivity to Microsoft 365 services and resulting in impact.

Next update by: Tuesday, October 13, 2026, at 3:30 PM UTC

Title: Users may be unable to access multiple Microsoft 365 services using Global Secure Access (GSA)

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

More info: Impacted services may include, but aren't limited to:

- Outlook
- Outlook on the web
- OneDrive
- SharePoint Online
- Microsoft Teams
- Windows 365 Cloud PCs

Current status: We’ve identified that a section of GSA infrastructure is performing below acceptable performance thresholds, affecting connectivity to Microsoft 365 services and resulting in impact. We’re applying performance and traffic optimizations to remediate impact and restore connectivity.

Scope of impact: Some users in Germany and the United Kingdom attempting to access Microsoft 365 services listed in the More info section using GSA may be impacted.

Preliminary root cause: A section of GSA infrastructure is performing below acceptable performance thresholds, affecting connectivity to Microsoft 365 services and resulting in impact.

Next update by: Tuesday, October 13, 2026, at 1:30 PM UTC

Title: Users may be unable to access multiple Microsoft 365 services using Global Secure Access (GSA)

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

More info: Impacted services may include, but aren't limited to:

- Outlook
- Outlook on the web
- OneDrive
- SharePoint Online
- Microsoft Teams
- Windows 365 Cloud PCs

Current status: We're reviewing service monitoring telemetry to isolate the source of the issue and establish a fix.

Scope of impact: Some users in Germany and the United Kingdom attempting to access Microsoft 365 services listed in the More info section using GSA may be impacted.

Next update by: Tuesday, October 13, 2026, at 11:30 AM UTC