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7h ago

Microsoft Begins Phased Rollout of Windows 11 25H2 With Known-Issue Guidance

The release is a small enablement update built on 24H2 with security‑focused under‑the‑hood changes.

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Overview

  • Eligible PCs can obtain the update now through Windows Update, and Microsoft has also posted official ISO downloads for x64 and Arm64.
  • Version 25H2 arrives as a lightweight feature‑enablement package on the shared 24H2 codebase, enabling quick installation and synchronized monthly feature servicing for both branches.
  • Microsoft documented four inherited issues: occasional DRM‑protected content failing due to Enhanced Video Renderer, WUSA .msu installs returning ERROR_BAD_PATHNAME, SMB v1 file sharing broken over NetBT, and the ARM64 Media Creation Tool unable to create ARM64 media.
  • A fix for the DRM playback problem is planned for October 2025, and Microsoft advises allowing TCP 445 or upgrading to SMB v2/v3, notes the WUSA error mainly affects enterprise scenarios, and suggests using an x86 PC to create ARM64 install media.
  • The update emphasizes stronger vulnerability detection and secure‑coding practices and trims legacy components by removing PowerShell 2.0 and WMIC, with rollout managed via compatibility holds and staged expansion.