Microsoft 365

Title: Some users with an active Microsoft Teams license may be unable to sign in to Microsoft Teams User impact: Users with an active Microsoft Teams license may be unable to sign in to Microsoft Teams. More info: Additionally, admins may be unable to access organization-wide settings. Current status: We’ve received reports that some users with an active Microsoft Teams license are unable to sign in to Microsoft Teams. Our assessment has determined that a recent authorization configuration change intended to block users without active licenses is resulting in impact. We’re validating a remediation action to revert the offending change and will provide a resolution timeline once available. Scope of impact: Impact may occur for some users with an active Microsoft Teams license who are attempting to sign in to Microsoft Teams. This information may be updated as our investigation continues. Root cause: A recent authorization configuration change intended to block users without active licenses inadvertently blocked some users with active Microsoft Teams licenses, resulting in impact. Next update by: Thursday, August 27, 2026, at 10:30 PM UTC

Title: Users may be unable to join and create Microsoft Teams meetings User impact: Users may be unable to join and create Microsoft Teams meetings. 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: Guest users are unable to access SharePoint Online sites connected to Microsoft Teams User impact: Guest users are unable to access SharePoint Online sites connected to Microsoft Teams. More info: The issue is specifically happening when permissions to the SharePoint Online sites are granted through Microsoft 365 groups. Current status: We're investigating a potential issue with SharePoint Online and checking for impact to your organization. We'll provide an update within 30 minutes.

Title: Some users experience degraded video quality when screensharing in Microsoft Teams User impact: Users experience degraded video quality when screensharing in Microsoft Teams. Current status: We've received user reports indicating some users are experiencing degraded video quality when screensharing in Microsoft Teams. We're reviewing service logs and contextual details provided by your representatives to gain insight into the affected scenario and determine our next investigative steps. Scope of impact: Your organization is affected by this event, and users attempting to screenshare in Microsoft Teams are impacted. This information may be updated as our investigation continues. Next update by: Monday, August 24, 2026, at 7:00 AM UTC

Title: Some users may be unable to send or receive new Exchange Online email through the native iOS mail app User impact: Users may be unable to send or receive new Exchange Online email through the native iOS mail app. Current status: We're reviewing service logs, telemetry, and contextual details provided by impacted users to gain insight into the underlying source of impact and determine our next steps. Scope of impact: Some users attempting to send or receive new Exchange Online email through the native iOS mail app may be impacted. This information may be updated as our investigation continues. Next update by: Tuesday, August 18, 2026, at 5:00 AM UTC

Title: Potential issues accessing mailboxes via one or more connection methods User impact: Users may experience errors or failures when accessing their mailbox via one or more Exchange Online connection methods. Current status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within 60 minutes.

Title: Users may be unable to join Microsoft Teams live events using the iOS mobile app User impact: Users may be unable to join Microsoft Teams live events using the iOS mobile app. More info: While we're working to remediate impact, affected users can join Teams Live Events using the Microsoft Teams Android, desktop, or web clients. 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.