Windows 11 build 22621.1555 (KB5025239) outs on versions 22H2

Microsoft pushes the April 2023 update of Windows 11 22H2 and version 21H2 and here's all you need to know.

Avatar for Mauro Huculak
@Pureinfotech
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Windows 11 KB5026372
Windows 11 KB5026372
  • Microsoft is rolling out the update KB5025239 for Windows 11 (build 22621.1555).
  • The update brings updated profile menu changes, a Bing Chat AI button in Search, and Endpoint improvements. 
  • In addition, the update pushes new security fixes and enhancements.
  • Windows 11 21H2 also receives the update KB5025224 (build 22000.1817).

Windows 11 build 22621.1555 (KB5025239) is now available in the stable channel for version 22H2. This non-security update brings new enhancements for existing features, fixes, and several improvements.

The update KB5025239 bumps the version number to build 22621.1555, and according to the announcement, it introduces the new Windows Local Administrator Password Solution (LAPS) as a Windows Sandbox feature, fixes Registry compatibility issue, and this Patch Tuesday also rolls out the fixes and improvements previously available as a preview on March 22. These changes include an updated profile menu in Start to remind you to back up your files. The update also rolls out the Bing Chat AI button in Search, and the company notes many new features and improvements to Microsoft Defender for Endpoint. Furthermore, build 22621.1555 also brings a number of security fixes and improvements.

In addition, Microsoft is also rolling out the build 22000.1817 for Windows 11 as the update KB5025224 with various improvements and fixes. This release also contains the changes previously available as a preview on March 17. For example, this release addresses problems with Command Prompt, Notepad, Windows Search, and Office apps. Also, the update rolls out fixes for various features, such as Microsoft HTML Application Host (HTA), compatibility and USB issues that affect some printers, new Windows Runtime (WinRT) API, and more.

Windows 11 22H2 update KB5025239

These are all the new features rolling out with the April 2023 update (KB5025239) for Windows 11 22H2:

  • This update implements the new Windows Local Administrator Password Solution (LAPS) as a Windows inbox feature.
  • This update addresses a compatibility issue. The issue occurs because of unsupported use of the registry.
  • This update introduces notifications for Microsoft accounts in the Start menu. This is only available to a small audience right now. It will deploy more broadly in the coming months. Some devices might notice different visual treatments as we gather feedback. See the example below.
  • Once you have access to the new Bing, the search box on the taskbar will include a button that opens the Bing chat experience in Microsoft Edge. If you don’t have access, the search box on the taskbar will feature a dynamic search highlight button.
  • This update adds many new features and improvements to Microsoft Defender for Endpoint. For more information, see Microsoft Defender for Endpoint.
  • The search box on the taskbar will be lighter when you set Windows to a custom color mode. This will occur when you set the Windows mode to dark and the app mode to light in Settings > Personalization > Colors.
  • Addresses an issue that affects the combo box in Settings. It fails to show all the available options.
  • Addresses an issue that affects Microsoft PowerPoint. It stops responding. This occurs when you use accessibility tools.
  • Addresses an issue that affects Microsoft Narrator. It fails to read items in dropdown lists in Microsoft Excel.
  • Addresses an issue that affects USB printers. The system classifies them as multimedia devices even though they are not.
  • Addresses an issue that affects complexity policy settings for PINs. They are ignored.
  • Addresses an issue that affects the Fast Identity Online 2.0 (FIDO2) PIN credential icon. It does not appear on the credentials screen of an external monitor. This occurs when that monitor is attached to a closed laptop.
  • Addresses an issue that affects a Clustered Shared Volume (CSV). The CSV fails to come online. This occurs if you enable BitLocker and local CSV managed protectors, and the system recently rotated the BitLocker keys.
  • Addresses an issue that affects Active Directory Users & Computers. It stops responding. This occurs when you use TaskPad view to enable or disable many objects at the same time.
  • The update addresses an issue that affects the Remote Procedure Call Service (rpcss.exe). The issue might cause a race condition between the Distributed Component Object Model (DCOM) and the Microsoft Remote Procedure Call (RPC) endpoint mapper.
  • Addresses an issue that affects Microsoft PowerPoint. It stops responding on the Azure Virtual Desktop. This occurs while you are using Think-Cell Features.
  • Addresses an issue that affects Windows Search. Windows Search fails inside of Windows container images.
  • This update affects the Group Policy Editor. It adds Transport Layer Security (TLS) 1.3 to the list of protocols that you can set.
  • This update affects the Arab Republic of Egypt. The update supports the government’s daylight saving time change order for 2023.
  • This update affects jscript9Legacy.dll. It adds ITracker and ITrackingService to stop MHTML from not responding.
  • Addresses an issue that affects the Microsoft HTML Application Host (HTA). This issue blocks code execution that uses Microsoft HTA. This occurs when you turn on Windows Defender Application Control (WDAC) User Mode Code Integrity (UMCI) enforced mode.
  • This update affects the Group Policy Management Console. It addresses a scripting error in the Group Policy Preferences window.
  • Addresses an issue that affects the Windows Remote Management (WinRM) client. The client returns an HTTP server error status (500). This error occurs when it runs a transfer job in the Storage Migration Service.
  • Addresses an issue that affects Desired State Configuration. It loses its previously configured options. This occurs if metaconfig.mof is missing.
  • Addresses an issue that affects the Dynamic Host Configuration Protocol (DHCP) option 119 – Domain Search Option. The issue stops you from using a connection-specific DNS Suffix Search List.
  • Addresses a rare issue that might cause an input destination to be null. This issue might occur when you attempt to convert a physical point to a logical point during hit testing. Because of this, the computer raises a stop error.
  • Addresses an issue that affects the Simple Certificate Enrollment Protocol (SCEP) certificate. The system reports some SCEP certificate installations as failed. Instead, the system should report them as pending.
  • Addresses an issue that affects the new Windows Runtime (WinRT) API. This issue stops an application from querying for location information using MBIM2.0+.
  • Addresses a known issue that affects kiosk device profiles. If you have enabled automatic logon, it might not work. After Autopilot completes provisioning, these devices stay on the credential screen. This issue occurs after you install updates dated January 10, 2023, and later.

If you want to update to Windows 11 build 22621.1555 immediately, click the “Download and install” button from the “Windows Update” settings page.

Windows 11 21H2 update KB5025224

These are all the new features rolling out with the April 2023 update (KB5025224) for Windows 11 21H2:

  • This update implements the new Windows Local Administrator Password Solution (LAPS) as a Windows inbox feature.
  • This update affects the Arab Republic of Egypt. The update supports the government’s daylight saving time change order for 2023.
  • Addresses a compatibility issue. The issue occurs because of unsupported use of the registry.
  • Addresses a known issue that affects kiosk device profiles.
  • Addressed an issue that affects the command line. It fails when you set the system locale to Japanese and cmd.exe is configured in legacy mode.
  • Addressed an issue that affects the Notepad box in Settings. It fails to show all the available options.
  • Addressed an issue that affects Microsoft PowerPoint. It stops responding. This occurs when you use accessibility tools.
  • The update addresses an issue that affects the Remote Procedure Call Service (rpcss.exe). The issue might cause a race condition between the Distributed Component Object Model (DCOM) and the Microsoft Remote Procedure Call (RPC) endpoint mapper.
  • This update affects the ms-appinstaller URI. It now works with the DesktopAppInstaller policy.
  • Addressed an issue that affects Microsoft PowerPoint. It stops responding on the Azure Virtual Desktop. This occurs while you are using Think-Cell Features.
  • Addressed an issue that affects Windows Search. Windows Search fails inside of Windows container images.
  • Addressed an issue that affects the Microsoft HTML Application Host (HTA). This issue blocks code execution that uses Microsoft HTA. This occurs when you turn on Windows Defender Application Control (WDAC) User Mode Code Integrity (UMCI) enforced mode.
  • Addressed an issue that affects Desired State Configuration. It loses its previously configured options. This occurs if metaconfig.mof is missing.
  • Addressed compatibility issues that affect some printers. These printers use Windows Graphical Device Interface (GDI) printer drivers. These drivers do not completely adhere to GDI specifications.
  • Addressed an issue that affects the Simple Certificate Enrollment Protocol (SCEP) certificate. The system reports some SCEP certificate installations as failed. Instead, the system should report them as pending.
  • Addressed an issue that affects the new Windows Runtime (WinRT) API. This issue stops an application from querying for location information using MBIM2.0+.
  • Addressed an issue that affects USB printers. The system classifies them as multimedia devices even though they are not.
  • Addressed an issue that affects the Fast Identity Online 2.0 (FIDO2) PIN credential icon. It does not appear on the credentials screen of an external monitor. This occurs when that monitor is attached to a closed laptop.
  • This update affects the “Set a default associations configuration file” Group Policy Object (GPO). You can now use it to create an extension to specific applications.
  • Addressed an issue that affects the SharedPC account manager. It cannot delete multiple accounts during cleanup.
  • Addressed an issue that affects Xbox subscribers. If you purchase an Xbox subscription using the “Redeem code” option, the Xbox subscription card does not appear on the Settings Accounts page. This occurs when recurring billing is off.
  • Addressed an issue that might affect lsass.exe. It might stop responding. This occurs when it sends a Lightweight Directory Access Protocol (LDAP) query to a domain controller that has a very large LDAP filter.

In the case that you want to update to Windows 11 build 22621.1555 (KB5025239) immediately, click the download and install button from the “Windows Update” settings page. If you are still in the original version of Windows 11, you can use these instructions to upgrade to version 22H2.

About the author
Avatar for Mauro Huculak

Mauro Huculak is a Windows expert and the Editor-in-Chief who started Pureinfotech in 2010 as an independent online publication. He is also been a Windows Central contributor for nearly a decade. Mauro has over 12 years of experience writing comprehensive guides and creating professional videos about Windows, software, and related technologies, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 20 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and About.me.