KB5084897: Windows 11 versions 25H2 and 24H2 March 16, 2026 Hotpatch Out-of-Band (OS Builds 26200.7984 and 26100.7984)
Out-of-band hotpatch for Windows 11 Enterprise LTSC 2024 (builds 26200.7984 and 26100.7984) fixing a Bluetooth visibility issue. Released March 16, 2026.
Summary
This is an out-of-band hotpatch update for Windows 11, version 25H2 and 24H2, released on March 16, 2026, bringing devices to OS Builds 26200.7984 and 26100.7984. It targets Windows 11 Enterprise LTSC 2024 and is offered exclusively to hotpatch-enabled devices. The update installs without requiring a device restart. Source: Microsoft Support
Improvements and fixes
- [Bluetooth] Resolves an issue where Bluetooth devices would not appear on the Bluetooth & devices page in Windows Settings or in Quick Settings, even when those devices were connected and working correctly. The same problem could prevent users from adding new Bluetooth devices because available devices did not show up in the connection list.
Known issues
Signing in with a Microsoft account might fail for Microsoft Teams Free and other apps
Symptom: After installing this update, signing into apps with a Microsoft account may fail. Even on a device with a working internet connection, an error message indicating no internet connection can appear, blocking access to Microsoft services and apps including Microsoft Teams Free and OneDrive. Only Microsoft account sign-ins are affected - businesses using Microsoft Entra ID for app authentication will not encounter this issue. Other affected applications include, but are not limited to, Microsoft Edge, Excel, Word, and Microsoft 365 Copilot; any feature in these apps that requires signing into a Microsoft account may trigger a similar error.
Workaround: This issue is addressed in KB5085518.
How to get this update
This update is offered only to hotpatch-enabled devices. No action is required for devices receiving standard Windows updates.
Before installing: Microsoft bundles the latest servicing stack update (SSU) with this hotpatch. If you use Windows Update, the latest SSU installs automatically alongside this update. The relevant SSU is KB5083532, version 26100.8035.
Installation channels:
- Windows Update - The update downloads and installs automatically.
- Microsoft Update Catalog - Available for manual download.
- Server Update Services (WSUS) - Available through this channel as well.
Arm64 prerequisites: Hotpatch is now generally available for Windows 11, version 25H2 and 24H2 on Arm64 devices. To use it, devices must meet these requirements:
- Windows 11 Enterprise, version 25H2 or 24H2 (Build 26100.4929 or later) with the current baseline update installed.
- Microsoft Intune with a Hotpatch-enabled Windows quality update policy.
- An eligible license: Windows 11 Enterprise E3 or E5, Microsoft 365 F3, Windows 11 Education A3 or A5, Microsoft 365 Business Premium, or Windows 365 Enterprise.
- Virtualization-based security (VBS) enabled.
- Compiled Hybrid PE (CHPE) disabled.
To disable CHPE, apply the CSP setting ./Device/Vendor/MSFT/Policy/Config/Hotpatch/DisableCHPE = 1 via Microsoft Intune or Group Policy, or set the registry key HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\HotPatchRestrictions = 1, then restart the device once.
Frequently asked questions
Does this update require a restart to take effect?
No. This is a hotpatch update, which means it installs and takes effect without requiring you to restart the device. This behavior applies only to hotpatch-enabled devices. Devices that receive standard Windows updates are not affected by this release and require no action.
Is this update available to all Windows 11 devices?
No. This hotpatch update is offered exclusively to hotpatch-enabled devices running Windows 11 Enterprise LTSC 2024 (versions 25H2 and 24H2). Devices receiving standard Windows updates will not be offered this package and do not need to take any action.
What should I do if Microsoft account sign-ins fail after installing this update?
Microsoft has identified a known issue where signing in with a Microsoft account may fail after installing this update, even with a working internet connection. The affected apps include Microsoft Teams Free, OneDrive, Microsoft Edge, Excel, Word, and Microsoft 365 Copilot. This issue is resolved by installing KB5085518. Microsoft Entra ID-based authentication is not affected.
What servicing stack update is bundled with this hotpatch?
Microsoft combines the latest servicing stack update with this hotpatch package. The relevant SSU is KB5083532, version 26100.8035. If you install via Windows Update, the SSU installs automatically. File information for both the hotpatch and the SSU can be downloaded from the Microsoft Support page for this update.
