MC1229029: (Updated) Resolved: Power outage affecting Microsoft Store app installs and Windows update delivery
🚨Major Update: This post contains a significant change that may impact your
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).
MC1228782: (Updated) Resolved: Power outage affecting Microsoft Store app installs and Windows update delivery
🚨Major Update: This post contains a significant change that may impact your
MC1228330: Dark mode support in SharePoint Admin Center
Dark mode support is coming to the SharePoint admin center, allowing admins to switch between light and dark themes starting mid-February 2026. This optional feature improves visual comfort without affecting settings or end users, requiring no preparation or compliance changes.
MC1228325: (Public Preview) New built in alert tuning rules for Microsoft Defender for Endpoint in Microsoft Defender XDR
Microsoft Defender XDR will add six new built-in alert tuning rules for Microsoft Defender for Endpoint starting February 8, 2026, to reduce low-priority alerts. Rules are visible for review until February 18, then activate by default but can be disabled anytime by admins. No action needed for de...
MC1228315: Prevent/Fix (Planned) - Search by Meeting ID in Call Quality Dashboard
Starting mid-March 2026, Call Quality Dashboard will change Meeting ID to the numeric value from Teams invites, moving the old Meeting ID to a new Thread ID dimension. Administrators must update CQD queries, reports, and documentation accordingly to avoid issues. No compliance concerns noted.
MC1228114: Dynamics 365 Customer Insights Journeys– Strengthen form bot protection with reCAPTCHA
We are announcing the ability to strengthen bot protection for forms with
MC1228084: Microsoft Dataverse – Service Update 9.2.26021.00000 for GBR
We have a minor service update planned for your Microsoft Dataverse environment
MC1227627: Enhancing Model Context Protocol (MCP) based agents with rich interactive UI widgets support
MCP-based agents in Microsoft 365 Copilot Chat will support rich interactive UI widgets, enhancing user interactions with structured visuals. This rollout begins late February 2026. Admins manage agents via Microsoft 365 Admin Center with existing controls and Entra ID group access. No action is ...
MC1227625: User reported security signals in Teams admin center
Teams admins will soon access a new Protection reports section in the Teams admin center to review and export user-reported security submissions for calls (from mid-April 2026) and later for chats and channels. This requires enabling user reporting settings and helps improve organizational securi...
MC1227624: Microsoft Purview | Removing support for relaxed proximity matching in out-of-box sensitive information types
Microsoft Purview has removed relaxed proximity matching in out-of-box sensitive information types, enforcing stricter proximity rules to improve detection accuracy. This change may reduce detections in some scenarios and affects organizations using OOB SITs in data classification or DLP policies...
MC1227623: Change meeting organizer via PowerShell cmdlet in Exchange Online
A new Exchange Online PowerShell cmdlet will allow admins to change the organizer of existing meetings or series, preserving meeting history and updating attendees silently within the tenant. Rollout begins mid-May 2026, requiring no configuration. User-initiated organizer changes in Outlook and ...
MC1227622: Transitioning Teams Android Device Management from Teams admin Center to the Teams Rooms Pro Management portal
Teams Android device management is moving from the Teams admin center to the Teams Rooms Pro Management portal between April and September 2026. PMP will unify management of all Teams devices with enhanced features. No immediate action is needed; devices will auto-appear in PMP at General Availab...