Extended Security Updates (ESU) available for Windows 10 Enterprise LTSB 2016
ESU purchase window open for legacy LTSB until 2026
ESU-Kaufoption für veralteten LTSB-Client bis 2026
All Microsoft 365 changes — page 23/30
1,489 Message Center announcements and curated “What’s new” posts, newest first (50 per page). Each entry links to its change page with AI summary, rollout dates and the full Microsoft text.
ESR management is moving to Windows Backup for Organizations
ESR management transitions to policy-driven approach
ESR-Verwaltung migriert auf Richtlinien-basierte Lösung
(Updated) Upcoming change: Microsoft 365 Apps SAEC and MEC will unify
SAEC and MEC unified as single enterprise channel
SAEC und MEC vereint zu einem Unternehmens-Kanal
(Updated) New Overview experience in Agent Dashboard
Agent Dashboard now includes analytics dashboard with usage insights
Agent Dashboard erhält neue Übersichtsfunktion mit Nutzungsanalysen
Top domain mail flow report in Exchange Online is retiring
Top domain mail flow report removed from Exchange Admin Center
Top-Domain-Mailflow-Bericht im Exchange Admin Center wird entfernt
Upcoming change: Retirement of noise suppression capability for OneDrive and SharePoint video
Video noise suppression feature removed from OneDrive/SharePoint
Lärmbekämpfung bei Video-Wiedergabe in OneDrive/SharePoint wird entfernt
(Updated) Microsoft Teams: New chat sections for muted and meeting chats
Chat organization enhanced with two automatic sections
Zwei neue Chatsektionen organisieren Microsoft Teams-Chatlisten
Replacement of the Microsoft SaRA command-line utility in Windows
Command-line utility replacement: SaRA → GetHelpCmdLine
Befehlszeilenutility SaRA durch GetHelpCmdLine ersetzt
(Updated) Clearer RSVP selection in Outlook Mobile
RSVP selections now visible in mobile Outlook
RSVP-Auswahl in Outlook Mobile jetzt visuell erkennbar
(Updated) Classic Outlook: Retirement of people card expanded view
Classic Outlook: Expanded people card disabled
Classic Outlook: Erweiterte People Card wird ausgeschaltet
(Updated) Extending AI in SharePoint using custom skills
SharePoint AI now supports custom automation skills via Markdown-based workflows
AI-Skills in SharePoint ermöglichen benutzerdefinierte Automatisierung ohne Code
(Updated) Viva Engage: Pinned resources and related communities in Teams for iOS
Viva Engage resource pins now available in Teams iOS
Festgepinnte Viva Engage-Ressourcen in Teams iOS jetzt verfügbar
Microsoft Viva: Manage data sharing exclusions for Viva Glint and Viva Insights
Configurable data sharing exceptions between Viva Insights and Glint
Datenfreigabe-Ausnahmen zwischen Viva Insights und Glint konfigurierbar
(Updated) Retirement of default app-only consistency in Microsoft Entra
Entra disables default consistency for app-only Graph APIs
Entra deaktiviert Standard-Konsistenz für App-Only-Graph-APIs
Microsoft AutoUpdate (MAU) CDN Endpoint Update for Mac
MAU updates to new CDN endpoint
MAU wechselt auf neuen CDN-Endpoint
(Updated) Microsoft Teams: Enhanced media quality for Direct Guest Join
DGJ meeting quality enhanced with 16-video support
DGJ-Meetingqualität mit bis zu 16 Videostreams verbessert
Enable Secure Boot certificate update status in the Windows Security app
Certificate status indicators added to Windows Security app
Secure Boot-Zertifikat-Statusanzeigen in Windows-Sicherheitsapp
Microsoft Purview compliance portal: Enforce DLP protection on new content before it’s saved
DLP enforcement occurs before file persistence
DLP schützt unspeicherte Inhalte vor Speicherung
(Updated) Microsoft 365 Copilot: Intelligent Summaries in Copilot Dashboard
AI-driven insights now auto-display in Copilot Dashboard
KI-generierte Einblicke im Copilot Dashboard standardaktiviert
Microsoft Teams: Retirement of legacy third‑party meeting and call control APIs
Teams retirement: External meeting control APIs eliminated
Legacy-Meeting-API für externe Kontrolle wird aus Teams entfernt
(Updated) The March 2026 Windows non-security preview update is now available
Windows 11 non-security update KB5086672 released
Windows 11 Nicht-Sicherheits-Update KB5086672 veröffentlicht
Take Action: Out-of-band update to address an issue affecting installation of the March 2026 non-security preview update
OOB KB5086672 resolves update installation failure
OOB-Update KB5086672 behebt Updateinstallation fehlerhaft
(Updated) Microsoft Teams: New experience when users minimize the meeting window
Revised meeting minimization with dual display modes for Teams
Neues Minimierungsverhalten für Teams-Meetings mit zwei Ansichtsoptionen
One-time email passcodes for external presenters in Teams events
Mandatory email verification for external Teams presenters
Email-Verifikation fuer externe Teams-Praesentatoren
(Updated) Update on custom domain guidance for Teams Event emails
Custom domain for Teams event emails is now optional but still recommended.
Benutzerdefinierte Domain für Teams-Event-E-Mails ist jetzt optional, aber empfohlen.
(Updated) Microsoft 365 Copilot: Comprehensive Copilot metrics in Copilot Analytics
Copilot metric renaming and expansion
Copilot-Metriken umbenennen und erweitern
(Updated) Microsoft 365 Copilot: New chat-first design for the Copilot mobile app
Chat-first mobile UI with navigation overhaul deployed
Chat-first UI mit neu gestalteter Navigation in Copilot Mobile
Microsoft Entra: Security hardening to prevent user account takeover in Microsoft Entra Connect Sync
Hard match operation blocking implemented in Entra Connect Sync
Sicherheitsblockierung von Hard-Match-Operationen in Entra Connect Sync
(Updated) Microsoft Teams: AI-powered live interpretation on Teams Phone devices
AI interpretation now available on Teams Phone devices
Live-Übersetzung auf Teams Phone-Geräten mit Copilot-Lizenz
Microsoft Purview | DLP to safeguard sensitive data from external web search in Microsoft 356 Copilot and Copilot Chat
DLP blocks web searches for detected sensitive content
DLP blockiert Copilot-Web-Suchen bei sensiblen Daten
(Updated) Planner tab support for Shared and Private Channels in Microsoft Teams
Teams planner tabs available in restricted channels
Planner-Registerkarten jetzt für Shared/Private Channels
Microsoft Teams: Retirement of CAPTCHA for meeting join
CAPTCHA replaced by automated bot detection requiring organizer verification
CAPTCHA durch Bot-Erkennung mit Organisator-Bestätigung ersetzt
Upcoming change – Microsoft Entra Connect security update to block hard match for users with Microsoft Entra roles
Hard-matching for Entra-privileged users blocked in June 2026 update.
Hard-Matches für Entra-Rollenbenutzer werden ab Juni 2026 blockiert.
(Updated) Microsoft Purview: Information Protection – Extended scoping capabilities for sensitivity label policies
Enhanced group scoping for sensitivity labels in Purview
Erweiterte Gruppenbereichung für Sensitivitätslabels in Purview
Microsoft Purview: Endpoint Data Loss Prevention - Device Health Reporting Dashboard
Endpoint DLP device health dashboard now available
Neues Geräte-Gesundheits-Dashboard für Endpoint DLP
(Updated) Microsoft 365 Copilot: Updates to license request custom flow
Copilot licensing now enables group-scoped request policies
Lizenzanforderungen für Copilot unterstützen nun gruppenbasierte Richtlinien
(Updated) Create Excel spreadsheets from Copilot Notebook content
Notebook content now converts to editable spreadsheet format
Notebook-Inhalte direkt zu Excel-Tabellen konvertierbar
New resources to help organizations prepare for Secure Boot certificate expirations
Multi-method certificate update resources released for production environments
Secure Boot-Zertifikat-Update-Ressourcen für verschiedene Management-Lösungen veröffentlicht
Notice: Security Copilot will be included as part of your Microsoft 365 E5 plan soon
Security Copilot activates automatically with Microsoft 365 E5
Security Copilot wird standardmäßig mit Microsoft 365 E5 aktiviert
(Updated) Microsoft Teams town halls now support backup Real-Time Messaging Protocol (RTMP) streams
RTMP backup streams enhanced for town hall reliability
RTMP-Backupstreams für Teams town halls verbessern Zuverlässigkeit
Microsoft Purview | Data Lifecycle Management - Hard delete OneDrive and SharePoint files with priority cleanup workflow
Purview priority cleanup allows admin hard delete of OneDrive/SharePoint content
Purview-Prioritäts-Cleanup erlaubt Admin-Hard-Delete von OneDrive/SharePoint-Inhalten
Microsoft Teams: Copilot PSTN audio announcements
Audio notifications for PSTN users in Copilot Only mode
Audiobenachrichtigungen für PSTN-Teilnehmer in Copilot Only
(Updated) Microsoft Teams: Catch up in Teams mobile
Teams Mobile: Card-based 'Catch up' interface for message triage
Teams Mobile: Neue 'Catch up'-Kartenansicht fuer Nachrichtentriage
(Updated) Microsoft Purview: Credential scanning in Data Security Posture Agent
Added credential scanning capability with AI-generated analysis
Credential-Scanning-Funktion mit KI-basierten Erkenntnissen hinzugefügt
Take Action: Out-of-band update released to address an issue signing in to apps with a Microsoft account
OOB update resolves Microsoft account sign-in failure on Windows 11
OOB-Update behebt Anmeldeproblem bei Microsoft-Konten auf Windows 11
(Updated) Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts
DSI now enables endpoint DLP event querying with automatic file analysis
DSI ermöglicht jetzt Endpoint-DLP-Abfragen mit automatischer Dateianalyse
Microsoft Purview DLP: Unmanaged cloud app discovery and protection with Microsoft Purview and Palo Alto Prisma Access
Purview connects to Prisma Access for cloud app monitoring
Purview integriert Palo Alto Prisma Access für Cloud-Applikations-Monitoring
(Updated) Microsoft Teams: Building‑level insights on the Teams Rooms Pro Management portal recommended actions page
Teams Rooms Pro adds building insight analytics
Building-level MTR Insights in Teams Rooms Pro Portal
(Updated) Second deployment phase for Kerberos RC4 hardening begins with the April 2026 Windows security update
Kerberos encryption standardizes to AES-SHA1 excluding RC4 configurations
Kerberos-Verschlüsselung standardisiert sich auf AES-SHA1 ohne RC4-Konfiguration
Action Required: Update active Exchange Web Services Applications
2026 EWS shutdown forces active application migration
EWS-Deaktivierung 2026 zwingt zur Migration aktiver Anwendungen