MC1152187: 30-Day Reminder: Windows 11, version 22H2 (Enterprise & Education editions) will reach end of servicing on October 14
On October 14, 2025, Windows 11, version 22H2 (Enterprise, Education, and IoT
Microsoft 365 Message Center
An archive of Message Center updates - curated and preserved for when Microsoft changes things faster than you can say "rolling out." Find the latest and past Message Center posts right here. Updated daily at 1am (UK time).
MC1151687: Update to the export of the Device Status report for Platform scripts
In mid-October 2025, the Device Status report export for Platform scripts in Intune will update field names to match the Intune Export API format. Users should update documentation and reporting accordingly; no changes affect existing API-based automation or reporting.
MC1151684: Hard delete action now removes calendar entries from malicious meeting invite emails
Hard Delete now removes calendar entries from malicious meeting invites, closing a security gap by fully eradicating threats from inboxes and calendars. This update rolls out worldwide in September 2025 and GCC regions in October 2025, is on by default, and requires no user action.
MC1151683: Microsoft Defender for Identity | Detections improvements to reduce noise and improve accuracy
Microsoft Defender for Identity will update several detections from late September to mid-October 2025 to reduce false positives and improve accuracy, lowering alert noise without requiring configuration changes. Admins should review alert volumes post-rollout and inform their security teams acco...
MC1151679: Microsoft 365 Copilot: August Copilot readiness insights now available
August Copilot readiness insights are now available in the Microsoft 365 admin center's Copilot Health page for specific admin roles. These insights help monitor and resolve configuration issues affecting Copilot, with ongoing updates planned. Admins should regularly review and address flagged is...
MC1151677: Updated Microsoft Defender Antivirus AVSignatureDue policy limit
Starting September 2025, Microsoft Defender Antivirus will require the AVSignatureDue policy minimum to be 2 days (up from 1 day) to prevent false alerts. Organizations with settings below 2 days should update their configuration before rollout completes in mid-October 2025.
MC1151667: Set a customizable initial Start menu layout with an enhanced policy
Starting with the September 2025 security update, IT admins can configure an
MC1151666: 60-Day Reminder: Windows 11, version 23H2 (Home and Pro editions) will reach end of servicing on November 11, 2025
On November 11, 2025, Windows 11, version 23H2 (Home and Pro editions)
MC1151633: Power Pages – Upcoming change for environment maker permissions
As of September 9, 2025, environment-level operations, such as enabling and disabling
MC1151622: Windows Office Hours: September 18, 2025
If you are an IT admin with questions about managing and updating
MC1151242: Microsoft Teams: Improved organization chart in Profile Card (Desktop, Mac, Web)
Microsoft Teams is enhancing the Profile Card organization chart on Windows Desktop, Mac, and web with improved UI, easier navigation, centered individual view, fewer clicks, and new navigation buttons. Rollout starts late October 2025, enabled by default, requiring no admin action.
MC1151002: Dynamics 365 Customer Service – Use Assign option for cases to update capacity, presence
We are announcing the ability to use the Assign option on the