Title: Users may experience issues when utilizing multiple Microsoft 365 services User impact: Users may experience issues when utilizing multiple Microsoft 365 services. More info: Impact includes, but may not be limited to, the below services and scenarios. We will update this list as our understanding of the issue progresses. OneDrive for Business and SharePoint Online: -Users may be unable to load or refresh portions of OneDrive and SharePoint, including account and storage information, search results, Favorites, Followed and Shared With Me content, recent files, lists, and news. Some users may also experience delayed or failed file opening, Office policy-label retrieval, OneDrive synchronization, mobile camera upload, and video playback. Users may see partial page failures, missing or stale content, repeated retries, and operation timeouts rather than a complete platform outage. Exchange Online: -Users may be unable to connect to, or experience degraded functionality, with Exchange Online. All connection methods are affected. Microsoft Teams: -Users may experience issues with calendar functionality and search. Users’ presence may be stale and not update automatically or through manual adjustment. User location adjustment may fail. Microsoft Purview: -Users may face intermittent authorization failures across solutions in Purview. Purview admins can’t access the portal. Additionally, in Microsoft Purview Communication Compliance, users may see errors when loading Communication Compliance policies and Data Loss Prevention (DLP) policies. Communication Compliance policy creation and evaluation may be delayed. Microsoft Defender XDR: -Users may experience intermittent authorization failures across solutions in Defender. Current status: We've identified issues related to a core authentication configuration used by multiple Microsoft 365 services which is resulting in the impact outlined above. We've identified a potential remediation and we're performing tests to ensure its efficacy before applying it more broadly. Scope of impact: Users attempting to perform any of the outlined impact scenarios may be affected by this event. Next update by: Monday, August 31, 2026, at 6:30 PM UTC Preliminary root cause: An issue within a core authentication configuration used by multiple Microsoft 365 services is resulting in impact. Next update by: Monday, August 31, 2026, at 7:30 PM UTC

Title: Investigating user reports of Exchange Online issues User impact: We don't have details 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’re investigating a performance issue.

We are currently investigating a service degradation affecting users using Zoom Contact Center Billing and Reporting Service in EU. Our team is actively working to identify the impact and root cause. We will provide an update as soon as more information becomes available. We appreciate your patience as we work to resolve this issue.

We are investigating reports of degraded performance and difficulties running reports. Our team is actively working to identify the cause and will provide an update within 30 minutes.

We are aware that some districts began experiencing slow performance in SchoolCity starting at approximately 9:00 AM CST today. Earlier reports of login difficulties have been resolved. Our team is actively investigating the cause of the slowness and is working to restore full performance as quickly as possible. We will provide updates as more information becomes available. We apologize for the inconvenience and appreciate your patience.

Our monitoring systems have alerted to a potential issue.

We’re investigating a performance issue.

We are currently investigating a service degradation affecting Zoom Services in Hong Kong Our team is actively working to identify the impact and root cause. We will provide an update as soon as more information becomes available. We appreciate your patience as we work to resolve this issue.

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

Clever is currently investigating an issue where sync times on connected app pages are displaying inaccurately in the dashboard. As soon as we have more information, we will provide an update.

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.

We’re investigating a performance issue.