M365 Message Center

Geändert

24.10.2025

Services

Windows

You’re now more in control of provisioned Microsoft Store apps than ever. Starting this month, you can remove select in-box apps using straightforward policy on Windows 11 Enterprise or Windows 11 Education, version 25H2. The new policy, called Remove default Microsoft Store packages from the system, is disabled by default. Learn more about how it works, why it matters, the apps it applies to, and how you can configure it with Microsoft Intune or using Group Policy. When will this happen: This policy is already available. How this will affect your organization: If you’ve ever needed to remove pre-installed Microsoft Store apps, you might have encountered scripts that break when apps change, making your job more time-consuming. The new policy lets you select and remove apps according to your organization’s requirements with reduce operational overhead. By using policy, you can create a cl

Geändert

24.10.2025

Services

Windows

Microsoft has identified a remote code execution (RCE) vulnerability in the Windows Server Update Services (WSUS) reporting web service. Windows servers that do not have the WSUS server role enabled are not vulnerable to this vulnerability. For more information about the security fix, see CVE-2025-59287.An out-of-band (OOB) update was released today, October 23, 2025, to address this issue. This is a cumulative update, so you do not need to apply any previous updates before installing this update, as it supersedes all previous updates for affected versions. If you haven’t installed the October 2025 Windows security update yet, we recommend you apply this OOB update instead. After you install the update you will need to reboot your system. If you have not yet deployed the October 2025 Windows security update and your IT environment includes devices running on the versions of Windows liste

Geändert

22.10.2025

Services

Windows

Windows 11 now integrates AI deeply into the operating system (OS), enabling secure, scalable, and agentic work environments. Multiple new features are coming to Windows 11 devices where Copilot is available, starting with Windows Insiders in Copilot Labs. Additionally, Copilot+ PCs deliver native AI experiences with features like Click to Do, Copilot Voice, Copilot Vision, and Copilot Action. Windows 365 further extends this AI-ready environment to the cloud. When these innovative features become available to organizations, IT admins can deploy and manage them using existing tools, ensuring compliance and security. Read more at How Windows 11 and AI are transforming the future of work, as you get ready for more announcements at Microsoft Ignite in November. When will this happen: Many of the announced AI features are currently available for non-IT-managed devices in Windows Insider Prev

Geändert

22.10.2025

Services

SharePoint Online · Microsoft Copilot (Microsoft 365)

Updated October 22, 2025: We have updated the content below. Thank you for your patience. [Introduction] We’re introducing Knowledge Agent, a built-in SharePoint capability that helps organizations prepare content for AI at scale. It unifies fragmented AI features into a single, context-aware interface that adapts to user roles and surfaces intelligent actions directly in the flow of work. This enhancement supports high-quality, trustworthy responses from Microsoft 365 Copilot and custom agents. [When this will happen:] Public Preview (Worldwide): Begins mid-September 2025; completes by late February 2026. [How this affects your organization:]Who is affected: Users with a Microsoft 365 Copilot license on tenants opted into Knowledge Agent preview. Admins managing SharePoint content and agents. What will happen: A floating button will appear in the lower-right corner of SharePoint surface

Geändert

20.10.2025

Services

Exchange Online

In 2018, we announced that we were no longer making feature updates to Exchange Web Services (EWS) in Exchange Online, and we advised developers to move to Microsoft Graph. In September 2023, we announced that on October 1, 2026, we will start blocking EWS requests to Exchange Online. We are now less than 12 months from October 1, 2026. We have made progress on closing several parity gaps with more changes in development to be released in the coming quarters. Please refer to Deprecation of Exchange Web Services in Exchange Online for up-to-date guidance and roadmap information. You are receiving this notification because there are EWS applications in your tenant. If you haven't already, start the process of working with your application development organization and your application vendors to either sunset or migrate active EWS applications on your tenant to the Graph API or Power Platfo

Geändert

16.10.2025

Services

SharePoint Online · Microsoft OneDrive

Organizations undergoing rebranding, mergers, acquisitions, divestitures, or tenant consolidations often need their SharePoint domain name in URLs to reflect their new identity. The SharePoint Online Tenant Rename feature enables this change. We are announcing general availability of advanced tenant rename with no site count limitation. With this update, the feature is now accessible to all customers, regardless of the total number of sites in the tenant. When this will happen: General availability begins worldwide on October 16, 2025. Rollout started in early October and is expected to complete by mid-October 2025. How this affects your organization: Who is affected: Admins managing SharePoint Online and OneDrive for Business tenants globally. What will happen: Rename support is now available for all Microsoft 365 tenants, regardless of site count. High reliability is maintained across