Microsoft Office 365 Outage Today – Services and Feature

Users may be unable to access or use some Microsoft 365 services and features

More info…
The affected scenarios are as follows:

Users may be unable to access Exchange Online using the following impacted connection methods:

• Outlook on the web
• Outlook desktop client
• Representational State Transfer (REST)
• Exchange ActiveSync (EAS)

Users may be unable to use the following features within 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 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 updated list of files and links failing to load within the Chat shared tab.

Users may experience the following issues with 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.

Users may be unable to export content or set and view labels within Microsoft Fabric.

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.

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

Users may be unable to perform the following actions within 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
• Users may experiences issues with viewing simulation reports, and content.

Scope of impact
Impact is specific to users who are served through the affected infrastructure.

Preliminary root cause
A portion of infrastructure which supports mailbox and calendar functionality isn’t operating as expected, resulting in impact.

Current status
25 Nov 2024, 10:35 GMT
We’ve updated the More Info section to include a list of impacted services and scenarios. We’re continuing to investigate recent changes, service telemetry and the failure paths to determine the root cause of impact.
Next update by:
Monday 25 November 2024 at 12:00 GMT