Key Points
- Microsoft releases Windows 10 22H2 Build 19045.6156 to the Release Preview Channel for improved device performance and security updates.
- The update resolves a bug in the Windows 10 Extended Security Updates (ESU) enrollment wizard that caused it to close unexpectedly during setup.
- A new Secure Boot feature adds anti-rollback protections for enhanced system security, targeting enterprise users and developers.
Microsoft has delivered a new update to Windows users enrolled in the company’s Release Preview Channel, part of the broader Windows Insider Program. Released as Windows 10 22H2 Build 19045.6156 (KB5062649), the update focuses on resolving specific stability and security issues, as well as introducing features for advanced system configurations. The software is now available to users of Windows 10, version 22H2, in the Release Preview Channel.
One major fix addresses a bug in the Windows 10 Extended Security Updates (ESU) enrollment process. Previously, when users clicked the “Enroll now” button in the wizard tool, a critical error occurred, causing the enrollment window to launch, begin processing, and then unexpectedly close. Investigations revealed this issue stemmed from incomplete app registration, which disrupted the tool’s functionality. This update resolves the problem, ensuring a more reliable experience during ESU enrollment, which is vital for users requiring long-term security patches.
Additionally, the update introduces changes to Mobile Operator Profiles, officially known as the Country and Operator Settings Asset (COSA). These updates align COSA profiles with the latest standards for international carrier settings, potentially improving connectivity for mobile devices using region-specific protocols. While many users may not interact directly with these settings, they support essential background operations for network authentication and data transmission.
For enterprise and developer users, the inclusion of new Secure Boot capabilities stands out. The update adds support for SKUSiPolicy VBS Anti-rollback protections, a security feature that prevents unauthorized firmware or bootloader changes. This is administered through the Secure Boot AvailableUpdates registry key, allowing administrators to deploy the policy across Virtual Secure Mode (VBS) environments. The anti-rollback function enhances protection against tampering, a growing concern for users in sectors prioritizing cybersecurity.
A critical stability correction ensures devices using the May 2025 security updates won’t encounter system freezes. Some devices experienced unresponsiveness after installing KB5062649 and subsequent patches due to an unspecified compatibility conflict. Microsoft has resolved this issue to prevent disruptions during high-usage scenarios, such as complex software execution or hardware-intensive tasks.
The Windows Insider Program Team shared this update through official channels, emphasizing its relevance for users in the Release Preview environment. These updates are tailored for participants testing pre-release versions of Windows 10 to identify and address issues before broader deployment. While the fixes may not reach all users immediately, they signal Microsoft’s ongoing efforts to enhance the Windows 10 ecosystem for both individual and organizational needs.
Enterprise users are advised to review the changes, particularly the Secure Boot enhancements and the ESU enrollment resolution. The Release Preview Channel is typically used for evaluating updates that target business environments, ensuring robust security and system integrity before final approval. Developers leveraging Azure cloud services or other Microsoft infrastructure might also benefit from these adjustments, as they support secure, stable configurations for next-generation technologies.
Microsoft continues to refine Windows 10 features, balancing innovation with reliability. The company’s updates often include last-minute corrections based on early feedback, a strategy that allows it to prioritize user experience while addressing technical debt. Future versions of the Windows 10 22H2 branch are likely to carry additional refinements, as the original product reaches the final stages of its lifecycle.
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