Microsoft has reported a significant ongoing issue impacting several Microsoft 365 services, with users experiencing disruptions across multiple platforms and features. The incident, identified as Microsoft Reference: MO941162, is currently being addressed by Microsoft, with remediation efforts underway.
Affected services and features
Exchange Online
- Users may be unable to access Exchange Online via:
- Outlook on the web
- Outlook desktop client
- Representational State Transfer (REST)
- Exchange ActiveSync (EAS)
Microsoft Teams
The disruption includes the following Teams functionalities:
- Creating or updating Virtual Events, webinars, and Town Halls.
- Accessing or modifying calendars, including loading, viewing, and updating meetings.
- Creating chats, adding users, and managing meetings.
- Creating or modifying new teams and channels.
- Updating presence statuses.
- Using the search function.
- Viewing updated file lists and links within the Chat shared tab.
Microsoft Purview
Users may face challenges such as:
- Inaccessibility to the Purview Portal or Purview Solutions.
- Delays in policy stamping and Adaptive Scope Evaluations.
Additionally, Microsoft Fabric users with sensitivity labels enabled may encounter issues with interactive operations on Power BI Desktop format files and reports.
SharePoint Online
The search feature within SharePoint Online is also affected.
Scope of Impact
This issue is specific to users served through the impacted infrastructure.
Next Steps
Microsoft continues to monitor the situation and provide updates as progress is made.