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

From Microsoft:
Published Time: 11/25/2024 9:27:54 AM
We’re monitoring the progress of the fix, which has been deployed to approximately 60% of the affected environments. We’re continuing our manual restarts on the remaining impacted machines.
This quick update is designed to give the latest information on this issue.
Published Time: 11/25/2024 8:58:32 AM
Title: Users may be unable to access or use some Microsoft 365 services and features
User impact: Users may be unable to access or use some Microsoft 365 services and features.
Title: Users may be unable to access or use some Microsoft 365 services and features
User impact: 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
- Some users may experience failures in manual or AIR approved Remediation Actions submitted through ThreatExplorer, Advanced Hunting or the Action Center.
- Users may experiences issues with viewing simulation reports, and content.
Users may also be unable to print via Universal Print.
Users may experience errors running flows that utilize cloud connectors in Power Automate for Desktop.
Users may be unable to access their bookings within Microsoft Bookings.
Current status: We’ve started to deploy the fix which is currently progressing through the affected environment. While this progresses, we’re beginning manual restarts on a subset of machines that are in an unhealthy state.
Scope of impact: Impact is specific to users who are served through the affected infrastructure.
Start time: Sunday, November 24, 2024, at 1:20 AM UTC
Preliminary root cause: A recent change has resulted in a portion of infrastructure not operating as expected.
Next update by: Monday, November 25, 2024, at 4:00 PM UTC

Update from Microsoft:

The fix which is addressing impact is continuing to deploy and has now reached 98 percent of the affected environment. Regarding recovery, we've encountered delays in our targeted restarts; however, we're identifying alternative options to expedite recovery of the affected infrastructure.