M365 Message Center

Geändert

13.10.2025

Services

Windows

Hotpatch updates, which are smaller than standard Windows updates, bring faster security and improved productivity to your organization. Their smaller size translates to optimized network performance, sustainability benefits, faster installation, and quicker compliance. When will this happen: Hotpatching is generally available. How this will affect your organization: Hotpatch updates save time by installing in the background without interruption or restarts. They drive business continuity by ensuring that users remain secure and productive, without disruption. What you need to do to prepare: Check if your organization is ready for hotpatch updates. Confirm devices at your organization meet prerequisites for hotpatching. Ensure devices are on the latest baseline release version to qualify for hotpatch updates. Learn about release cycles, including baseline updates released quarterly as st

Geändert

11.10.2025

Services

Windows

Some organizations might have received incorrect Multiple Activation Keys (MAK) for Windows 10 Extended Security Update (ESU) activation. These keys are visible in the Billing section, under Your products page, and then the Volume licensing tab.Incorrect MAKs will be prefixed with the sequence ***DO NOT USE*** followed by a number. ESU keys without this sequence are not affected by this issue.You should receive a new key by Monday, October 13. If you do not receive a new key by end of day Monday, please open a support ticket for quick resolution by visiting https://learn.microsoft.com/microsoft-365/commerce/licenses/contact-vl-support?view=o365-worldwide

Geändert

10.10.2025

Services

Windows

On November 11, 2025, Windows 11, version 23H2 (Home and Pro editions) will reach end of servicing. The November 2025 monthly security update will be the last update available for these editions. After this date, devices running these editions will no longer receive monthly security and preview updates containing protections from the latest security threats.As always, we recommend that you update your devices to the latest version of Windows 11. For detailed information, see the Windows 11, version 23H2 reaching end of updates (Home, Pro) lifecycle page. For information about servicing timelines and lifecycle, see Windows 11 release information, Lifecycle FAQ - Windows, and Microsoft Lifecycle Policy search tool.

Geändert

09.10.2025

Services

Windows

If you are an IT admin with questions about managing and updating Windows, we want to help. Every third Thursday of the month, we host a live chat-based event on the Tech Community called Windows Office Hours. Members of the Windows, Microsoft Intune, Windows Autopilot, Windows Autopatch, and Windows 365 engineering teams will be standing by to answer your questions. We also have experts from FastTrack, the Customer Acceleration Team, and Microsoft public sector teams. Want to attend the October 16 session of Office Hours? Add it to your calendar and select Attend on the event page to let us know you’re coming. There is no video or live meeting component. Simply visit the event page, log in to the Tech Community, and leave your questions in the Comments section. You can also bookmark https://aka.ms/Windows/OfficeHours for upcoming dates (and the ability to add this event to your calendar

Geändert

01.10.2025

Services

Windows

Start using the newest Windows 11 capabilities with helpful tips and actionable steps summarized in one place. Discover news about Windows 11, version 25H2 general availability, advantages of Microsoft Purview and Microsoft Defender to help reduce data breaches and build resiliency, plus enhancements to Windows 365, update and driver management, productivity features, AI, and much more. Learn how to get started with these and other improvements across Microsoft Intune, Windows Server, and Windows security.When will this happen:Improvements summarized in this monthly recap are already available. Note that some of them are rolling out gradually.How this will affect your organization:You can start seeing improvements across various workflows in your organization with: Wi-Fi 7 support for enterprise access pointsMicrosoft Purview to help reduce data breaches and stay current with regulations

Geändert

01.10.2025

Services

Windows

Windows 11, version 25H2 is now being offered to eligible devices via feature updates. For customers enrolled in hotpatch quality update policies, when the upgrade is taken can affect whether devices continue to receive hotpatch updates during the current hotpatch cycle. Devices that upgrade during a designated baseline release period (such as October) will remain eligible for hotpatching. Devices that upgrade during a non-baseline month (such as November) will temporarily stop receiving hotpatch updates and, until the next baseline release (e.g., January 2026), will instead receive standard security updates that require a restart.When will this happen: The Windows 11, version 25H2 upgrade will be offered starting September 30, 2025, with October 2025 designated as the baseline month for hotpatch eligibility. Organizations should plan their upgrade timing accordingly to maintain hotpatch