Microsoft 365

Title: Some users' calls are failing in Microsoft Teams User impact: Users' calls are failing in Microsoft Teams. Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.

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

Title: Some users may be unable to access or protect content using Azure Rights Management (ARM) across Microsoft 365 services User impact: Users may be unable to access or protect content using ARM across Microsoft 365 services. More info: Impact may prevent users from encrypting or decrypting protected content, including files and email messages, across Microsoft 365 services that rely on ARM. Current status: We’ve identified that some service components responsible for processing ARM requests are in an unhealthy state. We’re attempting to restart the affected components to mitigate impact. We’re seeing early signs of service recovery and are investigating the root cause while evaluating whether additional mitigation actions are required. Scope of impact: Some users attempting to encrypt or decrypt content using Microsoft 365 services that rely on ARM may be impacted. Next update by: Monday, October 12, 2026, at 11:30 AM UTC

Title: Some users may be unable to join Microsoft Teams meetings and see sign-in errors User impact: Users may be unable to join Microsoft Teams meetings and see sign-in errors. More info: Affected users see a sign-in prompt when attempting to join a meeting but clicking "sign-in" on the prompt has no effect. Users can sign-out and sign back in as a temporary mitigation. Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.

Title: Some admins can't access the Microsoft 365 admin portal User impact: Admins may be unable to access the Microsoft 365 admin portal. Current status: We're investigating a potential issue impacting admin access to the Microsoft 365 admin portal in certain regions and we're checking for impact to your organization. We'll provide an update within 30 minutes.

Title: Some users conferenced into a Microsoft Teams E911 call may not be automatically muted or able to mute themselves User impact: Users conferenced into a Microsoft Teams E911 call may not be automatically muted or able to mute themselves. Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.

Title: Some users may experience unexpected application crashes for Microsoft Teams on macOS devices User impact: Users may experience unexpected application crashes for Microsoft Teams on macOS devices. More info: Impact is specific to users who have updated to their macOS devices to version 27.2 beta. Current status: We've identified a significant increase in Microsoft Teams application crashes affecting macOS devices on version 27.2 beta and are investigating the underlying cause. We're continuing our analysis of crash telemetry and related diagnostic data to determine the source of impact and develop a remediation plan. Scope of impact: Impact is specific to users experiencing unexpected application crashes for Microsoft Teams on version 27.2 beta macOS devices. Next update by: Friday, September 18, 2026, at 3:30 PM UTC

Title: We're looking into a potential problem impacting Microsoft Teams User impact: We're looking into a potential problem impacting Microsoft Teams Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.