Windows 11 · 24H2 · Release · Optional preview update
Windows 11, version 24H2 (26100.9550)
- Release
- KB5124010 — Microsoft's article, opens in a new tab
- amd64
- arm64
Windows 11 24H2: Supported; 25H2 is the enablement-package successor
AI summary
Windows 11, version 24H2 (build 26100.9550) delivers AI-enhanced capabilities, refined interface elements, smoother system responsiveness, and efficiency improvements across everyday workflows.
Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.
Microsoft's known issues — KB5124010
- Issue Known issue After installing the September 8, 2026, Windows security update ( KB5124008 ), or later updates, some Credential Guard protected machine accounts might lose their secure channel with an on-premises Active Directory (AD) domain. Users might then be unable to sign in interactively with valid domain credentials and might receive a message stating that the trust relationship between the device and the domain failed. Offline sign-in using previously cached credentials might continue to work. AD replication and AD services on the domain controllers are not affected. This issue occurs because KB5124008 and later updates enable the Machine Identity Isolation feature. While the update does not direct Workaround: Important: This section contains information about modifying the registry. Before you modify the registry, back it up and make sure that you know how to restore it if a problem occurs. For more information, see How to back up and restore the registry in Windows . To work around this issue, disable Machine Identity Isolation using the same management method that was used to enable it. Choose the applicable option below: If Machine Identity Isolation was enabled by Intune policy, disable Machine Identity Isolation with Intune . If Machine Identity Isolation was enabled by Intune policy, disable Machine Identity Isolation with Intune . If Machine Identity Isolation was enabled by Group Policy,
Known issues — reported on the forum
No problems reported on the forum for this build yet. Threads that name 26100.9550 or KB5124010 and describe a fault appear here automatically.
In the news
- Coverage KB5124010 Brings Open Apps Maximized to Windows 11 Gradually
- Coverage KB5124006 Preview Adds Movable Taskbar, Small Size to Windows 11 26H1
- Fix KB5124010 Fixes Windows 11 Camera, File History; Domain Trust Persists
- Coverage Windows 11 KB5124010 Adds Optional One-Finger Touchpad Scrolling
- Fix Windows 11 Restores Copilot Key, Taskbar Positions in Preview
- Coverage Windows 11 Copilot Key Remapping: KB5124010 Explained
- Fix Windows 11 KB5124010: Nine Bluetooth Fixes in Preview
- Coverage Windows 11 KB5124010 Enters Release Preview for 24H2 and 25H2
Discussed on the forum
No member thread names 26100.9550 yet.