M365 Message Center

Geändert

02.09.2025

Services

Windows

If you’re an IT professional or decision maker, start using the newest Windows 11 capabilities with helpful tips and actionable steps summarized in one place. Discover enhancements to the Windows out-of-box experience (OOBE) for quality updates, hotpatching, productivity features, update and driver management, AI, and 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: Windows Backup for Organizations Enabling virtualization-based security (VBS) for hotpatch readiness Integrating Zero Trust with cloud-native Windows Using GPT-5 in Microsoft 365 Copil

Geändert

29.08.2025

Services

Windows

The August 2025 non-security preview update is now available for Windows 11, version 24H2. Information about the contents of this update is available from the release notes, which are accessible from the Windows 11 update history page. To learn more about the different types of monthly quality updates, see Windows monthly updates explained.Looking to explore upcoming features and improvements in Windows 11? Check out the Windows roadmap. It includes what’s coming to the Windows Insider Program, what’s gradually rolling out, and what’s generally available.Highlights for the Windows 11, version 24H2 update: Recall* opens to a personalized homepage that puts your recent activity and top-used apps and websites front and center, making it easy to pick up where you left off. After turning on snapshot collection, the homepage highlights key productivity features like Recent Snapshots, which sho

Geändert

29.08.2025

Services

Exchange Online

IntroductionTo improve email deliverability and reduce abuse, Microsoft is introducing outbound email throttling for default MOERA domains (e.g., contoso.onmicrosoft.com). These domains are intended for initial tenant setup and testing—not for regular email traffic. This change encourages organizations to adopt custom domains with independent reputations.When this will happenGeneral Availability (Worldwide): Rollout begins mid-October 2025 and will complete by early June 2026. Rollout timing will vary based on organization seat counts. For detailed rollout information, refer to Limiting Onmicrosoft Domain Usage for Sending Emails.How this affects your organizationOrganizations sending outbound email from onmicrosoft.com domains will be subject to throttling limits:Outbound email to external recipients will be capped at 100 messages per organization per 24-hour rolling window.Once the lim

Geändert

28.08.2025

Handlung bis

09.09.2025

Services

Windows

Since 2023, Microsoft has been sharing reminders of changes coming to certificate mapping security requirements in Windows Servers. These changes address vulnerabilities discussed in CVE-2022-34691 and others. As part of these changes, servers which run Active Directory Certificate Services, as well as Windows domain controllers that service certificate-based authentication, will be required to meet certain certificate mapping criteria in order for authentication operations to succeed. The final milestone of this rollout will take place with Windows updates released September 2025. For full details, see KB5014754: Certificate-based authentication changes on Windows domain controllers.When will this happen:Beginning 2022, Windows updates have addressed certain vulnerabilities related to certificate emulation. As part of this, new certificate mapping requirements have been rolling out with

Geändert

26.08.2025

Services

Windows

Windows Backup for Organizations is now generally available. It provides a simple and secure way to back up and restore settings and the list of Microsoft Store apps on eligible enterprise devices running Windows 10 and Windows 11, version 22H2 and higher. With the capability during the out-of-the-box experience (OOBE) to restore a familiar experience on a new device or after a device reset or reimage, users can get back to work faster. And, if you’re still in the process of moving from Windows 10 to Windows 11, Windows Backup for Organizations can help streamline the transition. When will this happen: Windows Backup for Organizations is generally available. Note: The Restore setting is rolling out gradually, so check back in about a week if you don’t see it in your Intune tenant. How this will affect your organization: With Windows Backup for Organizations, you’ll help enhance user expe

Geändert

26.08.2025

Services

Windows

The August 2025 non-security preview update is now available for Windows 11, version 23H2 and Windows 10, version 22H2. The non-security preview update for Windows 11, version 24H2 will be available soon. Information about the contents of this update is available from the release notes, which are accessible from the Windows 11 and Windows 10 update history pages. To learn more about the different types of monthly quality updates, see Windows monthly updates explained.Looking to explore upcoming features and improvements in Windows 11? Check out the Windows roadmap. It includes what’s coming to the Windows Insider Program, what’s gradually rolling out, and what’s generally available.Highlights for the Windows 11, version 23H2 update: Windows Backup for Organizations is now generally available! Experience seamless device transitions with enterprise-grade backup and restore.This update impr