Microsoft Admin Center

Update timeline

1. monitoring Aug 31, 2026, 10:03 PM UTC

   Start Time: Monday, August 31, 2026, at 3:08 PM UTC Next update by: Monday, August 31, 2026, at 11:00 PM UTC Current status: We're continuing our targeted review of affected infrastructure and recent changes made to the service to definitively confirm the cause of impact. We're additionally continuing to test and implement various mitigation strategies to apply the necessary authentication component, which have so far yielded positive results. We're monitoring these tests and mitigative actions closely and will provide an estimated time to resolution as soon as one is available. 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. Microsoft 365 Admin Center: Admins may experience issues authenticating into the admin center. Universal Print: Users may be unable to create, upload, or retrieve print jobs.