User impact: Users may be unable to access or use some Microsoft 365 services and features.

More info: The impacted services and their impact are as follows:

Exchange Online
– Users may be unable to access using the following impacted connection methods: Outlook on the web, Outlook desktop client, Representational State Transfer (REST), Exchange ActiveSync (EAS)
– Users may experience mail transport delays.

Microsoft Teams
– Users are unable to create or update Virtual Events, including webinars and Town Halls.
– Users may be unable to access or modify their calendar in Microsoft Teams. This would include loading the calendar, viewing meetings, creating/updating meetings and joining meetings.
– Users are unable to create chat, add users and create or edited meetings.
– Users are unable to create or modify new teams and channels.
– Users may be unable to update presence.
– Users may be unable to use the search function.
– Users may not see an updated list of files and links failing to load within the Chat shared tab.

Microsoft Purview
– Users may be unable to access the Purview Portal, or Purview Solutions.
– Users may experience delays in policy stamping and with Adaptive Scope Evaluations.

Microsoft Fabric
– Users may be unable to export content or set and view labels.
– Some Microsoft Fabric users with Purview Information Protection Policies with sensitivity labels enabled, may be unable to use interactive operations on Power BI Desktop format files and reports, including export operations on Fabric artifacts with Sensitivity labels applied.

SharePoint Online
– Users may be unable to use the search feature.

Microsoft Defender for Office365
– Users may be unable to create simulations, simulation payloads or end user notifications.
– Users may experience issues with delivery for end user notifications and simulation messages.
– Some users may experience failures in manual or AIR approved Remediation Actions submitted through ThreatExplorer, Advanced Hunting or the Action Center.
– Users may experience issues with viewing simulation reports, and content.
– Users may get a “You can’t access this section” error when accessing sections of the Defender XDR portal, such as the Incidents and Alerts pages, that include affected Defender for Office 365 shared components.

Universal Print
– Users may be unable to Print via Universal Print.
– Users may be unable to list Printers/Printer Shares on the Azure Portal Universal Print blade.
– Users may be unable to Register Printers via Universal Print.

Power Automate for Desktop
– Users may experience errors when running flows that utilize cloud connectors.

Microsoft Bookings
– Users may be unable to access their bookings.

Microsoft Viva Engage
– Users may be unable to load topics in feeds and threads.
– Users may see searches or autocomplete fail for topic experiences.
– Users’ Microsoft Teams Q&A experiences may not show user names.
– Users may not be able to load their home feeds.

Microsoft Copilot
– Users are unable to use the personal Copilot panel in meetings and post meetings.
– Users are unable to see historic Copilot conversation history in meetings and post meetings.
– Users may not be able to load Copilot experiences within the Viva Engage service.
– Users may be unable to submit queries to Copilot within OneNote through the chat pane and context menu. Users may receive an apology or “at capacity” message.”

Current Status: We’re continuing our period of monitoring service telemetry, which shows the service availability has remained healthy.

Scope of impact: This issue could impact any user hosted globally; however, users are experiencing varying degrees of impact depending on how they are routed through the affected infrastructure and what action they are trying to perform. Impacted users attempting to use the functionalities outlined in the More info section of this communication may be affected by this event.

Start time: Sunday, November 24, 2024, at 1:20 AM UTC

Preliminary root cause: Due to a recent change that decommissioned a backend service, requests were directed to an incorrect endpoint. This resulted in request handling issues and ultimately affected machines’ processing capabilities, which led to impact.

Next update by: Tuesday, November 26, 2024, at 4:00 PM UTC