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Microsoft 365 Message Center

MC1246031: Microsoft Outlook: Copilot Chat available in shared and delegate mailboxes

Microsoft 365 Copilot, including Copilot Chat, will be available in Outlook shared and delegate mailboxes starting April 2026. Users with access and licenses can use Copilot features directly in these mailboxes without special prompts. Conversation history stays with the user's primary account. N...
Read More • 7 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1246003: Endpoint Data Loss Prevention: Always-on diagnostics for Windows endpoints (Phase 2)

Phase 2 of always-on diagnostics for Endpoint Data Loss Prevention enables admins to collect diagnostic traces from Windows endpoints via the Purview portal without user involvement, improving troubleshooting. Rolling out worldwide from March 2026, it requires admin enablement and does not affect...
Read More • 7 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1246001: Always-on diagnostics for Endpoint DLP – Turned on by default

Starting mid-April 2026, Always-on diagnostics for Endpoint DLP will be enabled by default on Windows devices, storing diagnostic logs locally for 90 days to aid troubleshooting. Admins can opt out anytime via Microsoft Purview. This improves issue resolution but may affect investigation efficien...
Read More • 7 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1245997: Plan for change:Azure Network Connection health check enforcement for required Windows 365 endpoints

Starting April 2026, Windows 365 will enforce errors (not warnings) for unreachable required endpoints during Azure Network Connection health checks, blocking provisioning until resolved. No new endpoints are added; existing configurations allowing these endpoints need no changes. Microsoft Hoste...
Read More • 7 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1245992: Upcoming events to help with Secure Boot updates

Do you need to update Secure Boot certificates across your organization before
Read More • 7 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1245636: AI Admin RBAC updates

The AI Administrator role is updated to support Agent 365, enabling delegated agent management without Global Admin involvement for routine tasks. Rollout starts March 2026. AI Admins gain expanded permissions for agent lifecycle management, tenant-wide consent (excluding Microsoft Graph app perm...
Read More • 7 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1245635: (Updated) Upcoming change: disabling Teams meeting recording expiration notification emails

Starting June 1, 2026, Microsoft will disable Teams meeting recording expiration notification emails for all Microsoft 365 tenants to reduce notification noise. Recording expiration and deletion remain unchanged. No admin action is needed, but organizations can notify users or update documentatio...
Read More • 7 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1245608: Microsoft Dataverse – Service Update 9.2.26031.00000 for GBR

We have a minor service update planned for your Microsoft Dataverse environment
Read More • 7 Mar 2026
Tophhie Cloud Automation
We're decoupling the Tophhie Cloud Redirect Service ⛓️‍💥
Development

We're decoupling the Tophhie Cloud Redirect Service ⛓️‍💥

The Tophhie Cloud Redirect Service will become a micro-service in its own right, and removed from the Tophhie Cloud API.
Read More • 6 Mar 2026
Chris Greenacre
Microsoft 365 Message Center

MC1245224: Microsoft 365 Copilot: People agent availability update

The People agent in Frontier will retire in March 2026, with its key features integrated into core Microsoft 365 Copilot. No admin or user action is needed. Users can still use the People companion app and Org Explorer. Feedback via Frontier remains encouraged. No compliance issues identified.
Read More • 6 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1245222: Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows

The new Outlook for Windows will support sending locally stored Word, Excel, and PowerPoint files as email attachments starting May 2026 (June for GCC). This feature is on by default, requires no admin action, and aligns with classic Outlook functionality, aiding users transitioning to the new Ou...
Read More • 6 Mar 2026
Tophhie Cloud Automation
Microsoft 365 Message Center

MC1245219: Microsoft Defender for iOS: End of support for iOS 16 devices

Microsoft Defender for iOS will end support for iOS 16 devices on April 30, 2026. Devices on iOS 16 will no longer receive updates or support, while iOS 17 or later devices remain fully supported. Organizations should identify affected devices and encourage upgrades or replacements.
Read More • 6 Mar 2026
Tophhie Cloud Automation
Tophhie Cloud Blog © 2026
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