Secure Boot certificate updates for Linux on Azure virtual machines
Linux Azure VMs with Secure Boot require timely certificate updates.
Linux-Azure-VMs mit Secure Boot erfordern rechtzeitige Zertifikatsupdates.
Windows (365) — Microsoft 365 changes — page 2/5
225 Microsoft 365 Message Center announcements and curated “What’s new” posts for Windows (365), newest first. Services covered include Windows, Windows 365, Windows Autopatch, Microsoft Intune. Each entry links to the change page with an AI summary (English/German), the rollout dates and the full Microsoft text.
Get ready for Windows 11, version 26H2
New Windows 11 version 26H2 released
Windows 11, Version 26H2 als Update verfügbar
30-Day Reminder: Final deployment phase for Kerberos RC4 hardening begins with the July 2026 Windows security update
Kerberos RC4 audit mode removal begins July 2026
Audit Mode für Kerberos RC4 wird in Juli 2026 entfernt
Windows Office Hours: June 18, 2026
Monthly virtual office hours for Windows IT
Monatliche Chat-Sprechstunde für Windows-IT-Admins
June 2026 Windows security update requires restart for hotpatch-enabled devices
Hotpatch devices need restart for June 2026 update
Hotpatch-Geräte benötigen Neustart bei Juni 2026 Update
Planned maintenance: Windows Autopatch service
Autopatch admin interface enters read-only state
Autopatch-Adminbereich temporär schreibgeschützt
(Updated) Take action: Mitigation guidance updated with a new script for CVE-2026-45585
CVE-2026-45585 mitigation updated with new security patch
CVE-2026-45585-Minderung aktualisiert mit neuem Sicherheitsupdate
The June 2026 Windows security update is now available
Critical Windows security update released with Secure Boot and BitLocker fixes
Windows-Sicherheitsupdate Juni 2026 mit Secure Boot- und BitLocker-Verbesserungen veröffentlicht
June 2026 Windows security update requires restart for hotpatch-enabled devices
Hotpatch devices need reboot for June 2026 security update
Hotpatch-fähige Geräte benötigen Neustart für Juni-2026-Sicherheitsupdate
(Updated) Windows 365: PowerShell execution policy change during Cloud PC provisioning
Cloud PC provisioning policy updated to RemoteSigned execution model
PowerShell-Ausführungsrichtlinie bei Cloud PCs auf RemoteSigned aktualisiert
(Updated) Plan for change: Snapshot-based reset for Windows 365 Flex shared Cloud PCs
Sign-out now triggers full snapshot reset on Windows 365 Flex
Snapshot-Reset löscht nun auch Systemdaten bei Windows 365 Flex
[EDU] Free upgrade path to Windows 11 Pro Education for K-12
K-12 education Windows 11 Pro Education upgrade available
Kostenloser Windows 11 Pro Education-Upgrade für K-12-Bildungseinrichtungen
Hotpatch-enabled devices will restart after installing the June 2026 Windows update
Hotpatch devices require reboot for baseline update
Hotpatch-Geräte benötigen Neustart nach Baseline-Update
Hotpatch-enabled devices will restart after installing the June 2026 Windows update
Hotpatch baseline update triggers mandatory reboot
Hotpatch-Baseline-Update erfordert Geräte-neustart
The May 2026 Windows non-security preview update is now available
Windows 11 preview update with new features and Secure Boot changes
Windows 11-Vorschau-Update mit neuen Funktionen und Secure Boot-Änderung
Updated Secure Boot status report in Windows Autopatch
Secure Boot reporting enhanced with precise diagnostic levels
Secure Boot-Bericht mit präziserer Diagnosekapazität aktualisiert
Windows Office Hours: May 21, 2026
Weekly admin Q&A for Windows administration
Monatlicher IT-Expertentisch zur Windows-Verwaltung
Broader Windows Autopatch availability to Microsoft 365 Government Community Cloud (GCC)
GCC Windows Autopatch no longer requires Enterprise SKU
Windows Autopatch für GCC benötigt keine Enterprise-SKU mehr
Tune in May 18 to ask Microsoft anything about Secure Boot
Secure Boot certificates expire 2026 — preparation AMA available
Secure-Boot-Zertifikate verlieren 2026 Gültigkeit — AMA zur Vorbereitung geplant
The May 2026 Windows security update is now available
Windows security update May 2026 with enhanced update infrastructure
Windows-Sicherheitsupdate Mai 2026 mit verbesserter Update-Infrastruktur
Configuring firewall and proxies for smooth Windows updates
Wildcard DNS and TLS trust for Windows Update
Wildcard-DNS und TLS-Zertifikate für Windows Update
Upgrade to Windows Server 2025, now via Windows Update
Windows Server 2025 in-place upgrades enabled through Windows Update
In-place-Server-Upgrades auf Windows Server 2025 über Windows Update
The April 2026 Windows non-security preview update is now available
Windows 11 update with Xbox Mode and policy changes released
Windows 11-Update mit Xbox-Modus und Policy-Änderungen veröffentlicht
Dynamically remove apps from managed Windows 11 devices
Dynamic app uninstall via PFN policy matching
MSIX/APPX-Anwendungen per PFN-Policy dynamisch entferhbar
An updated version of the April 2026 Scan Cab is available
Scan Cab updated with VS 2026 security metadata
Scan Cab aktualisiert mit VS 2026-Sicherheitsmetadaten
Assess Secure Boot certificate status with Microsoft Defender
Device certificate posture monitoring added for Secure Boot 2023
Secure Boot 2023-Zertifikatsstatus jetzt zentral überwachbar
New IT admin policy: Remove Microsoft Copilot app
Conditional Copilot uninstall policy released
Richtlinie zur bedingten Copilot-Deinstallation veröffentlicht
Ask Microsoft Anything about Secure Boot certificate updates
Device certificate validity ends in 2026
Secure Boot-Zertifikate verlieren 2026 Gültigkeit
An updated version of the April 2026 Scan Cab is available
Security-enhanced Scan Cab metadata released
Scan-Cab mit Sicherheitsmetadaten aktualisiert
Take action: Out-of-band updates released for Windows Server to address two issues
OOB patches fix update installation errors and DC reboot issues
OOB-Updates beheben Installationfehler und DC-Restarts bei Windows Server
Interim guidance for Egypt DST changes 2026
Egypt DST time offset affects Windows Server 2016 until 30.4.2026
DST-Zeitoffset für Ägypten auf Windows Server 2016 bis 30.4.2026
The April 2026 Scan Cab is available
April 2026 Scan Cab released for offline security update validation
April 2026 Scan Cab für Offline-Sicherheitsupdate-Prüfung veröffentlicht
Remote Desktop adds new safeguards for connections opened from RDP files
Remote Desktop security prompts require explicit user approval for connections
Neues Sicherheitsdialogfeld bei Remote Desktop-Verbindungen ab April 2026
Notice: The April 2026 Scan Cab for Microsoft updates is delayed
April 2026 Scan Cab remains delayed
Scan-Cab-April-2026 ist verzögert und nicht verfügbar
The April 2026 Windows security update is now available
April 2026 Windows security update bundles multiple patches
April 2026 Windows Sicherheitsupdate mit Multi-KB-Inhalt
Second deployment phase for Kerberos RC4 hardening begins with the April 2026 Windows security update
Kerberos encryption standard changed to AES-SHA1 only
Kerberos-Verschlüsselungsstandard auf AES-SHA1 geändert
Broader Windows Autopatch availability to Microsoft 365 Government Community Cloud (GCC)
Autopatch now auto-available for GCC-G3/G5
Autopatch jetzt automatisch für GCC-G3/G5
Windows Deployment Services (WDS): Hands-free deployment hardening (Phase 2)
WDS deployment now requires registry override for hands-free mode
WDS-Deployment erfordert jetzt Registry-Überschreibung für Hands-free-Modus
Hardening administrative actions: Windows imaging, cloning, and auth workflows
Security hardening modified imaging and authentication workflows
Sicherheitsverstärkung ändert Imaging- und Authentifizierungsworkflow
Windows Office Hours: April 16, 2026
Monthly IT Q&A sessions via comments
Monatliche IT-Q&A-Sessions in Tech Community
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
ESR management is moving to Windows Backup for Organizations
ESR management transitions to policy-driven approach
ESR-Verwaltung migriert auf Richtlinien-basierte Lösung
Replacement of the Microsoft SaRA command-line utility in Windows
Command-line utility replacement: SaRA → GetHelpCmdLine
Befehlszeilenutility SaRA durch GetHelpCmdLine ersetzt
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
(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
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
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) 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
Out-of-band hotpatch update released to address an issue affecting Bluetooth device visibility
OOB hotpatch fixes Bluetooth visibility bug on Enterprise Windows 11.
OOB-Hotpatch behebt Bluetooth-Sichtbarkeitsproblem auf Enterprise-Systemen.