Recent Blog ArticlesNewest TopicsMost LikesTagged:TagIntroducing Control Over Driver Update Acceptance (DUA) Creation on Shared Driver Submissions As part of Microsoft’s commitment to improving Windows quality through more predictable and reliable update delivery, we are introducing a new capability that will give submission owners control over...Upcoming changes to driver metadata and publishing validations in Hardware Dev Center We're making improvements to how the Windows Hardware Dev Center (HDC) handles driver OS compatibility. These changes will help reduce driver installation failures caused by drivers being offered to ...Hardware Lab Kit API Updates and New Unreferenced File Check in February Refresh What’s Changing? The refreshed Windows Hardware Lab Kit (HLK) available starting February 2026 for Windows 11, version 25H2, Windows Server 2025, and Windows 11, version 24H2 will introduce a ne...HLK February Refresh Release for Windows 11 Version 25H2 and Windows Server 2025 Microsoft is pleased to announce that a refreshed HLK for Windows 11, version 25H2 and Windows Server 2025 is available starting February 17, 2026. See below for detailed information on what’s new...Attention: HDC is changing the policy on signing unreferenced files in driver packages Today, HDC signs all files contained in a submitted driver package (.cab/HLKx), regardless of whether they are referenced by the INF. With the upcoming change, any files in a submitted package that...Driver Isolation Ruleset Changes for WHCP and Attestation Submissions In November, Hardware Dev Center enforced stricter driver isolation requirements using the existing InfVerif /h validation. While InfVerif /h is already in use across WHCP and Attestation workflows, ...HLK July Refresh Release for Windows 11 Version 24H2 and Windows Server 2025 Microsoft is pleased to announce that a refreshed HLK for Windows 11, version 24H2 and Windows Server 2025 is available starting July 8, 2025. This release of the HLK contains only infrastructure c...HLK July Refresh Release for Windows 11 Version 24H2 and Windows Server 2025 Microsoft is pleased to announce that a refreshed HLK for Windows 11, version 24H2 and Windows Server 2025 is available starting July 8, 2025. This release of the HLK contains only infrastructure c...Action Required: HLK Submission Packager Changes Coming in July The Hardware Lab Kit (HLK) packaging component is important for reading, writing, and packaging test results, as well as submitting drivers to the Hardware Dev Center (HDC) portal for certification a...Removal of unwanted drivers from Windows Update This blog post is intended to notify all Windows Hardware program partners that Microsoft has taken a strategic initiative to clean up legacy drivers published on Windows Update to reduce security an...
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