Windows 11 update check

Windows 11 update KB5026436 (build 22000.2003) outs for version 21H2

Microsoft begins testing an upcoming update for the original release of Windows 11 with a lot of fixes and improvements, and here's all you need to know.

  • Windows 11 gets a massive cumulative KB5026436 update.
  • The update brings the version number to build 22000.2003.
  • It’s currently available for devices enrolled in the Release Preview Channel.
  • This update only brings a slew of fixes and improvements for the original version.
  • On May 12, the update was available as build 22000.2001 in the Release Preview Channel.

UPDATED 5/23/2023: Microsoft is now testing the update KB5026436 for Windows 11 through the Stable Channel as an optional install. This is a minor update that introduces a long list of fixes and improvements.

The update KB5026436 bumps the version number to build 22000.2003, and according to the changelogs from the official website (Release Preview Channel notes, it addresses problems with Server Message Block (SMB), Local Security Authority Subsystem Service (LSASS), Storage Spaces Direct (S2D) cluster, Event Viewer, networking, and more.

Windows 11 build 22000.2003

Here are all the fixes and improvements on Windows 11 build 22000.2003:

  • Addresses an issue that affects searchindexer.exe. It stops working after you sign out. This issue occurs after you upgrade your machine to Windows 11 Azure Virtual Desktop (AVD) and sign in to that machine.
  • Addresses an issue that affects Narrator. It does not announce text attributes correctly for words, such as “misspelled”, “deletion change,” and “comment”.
    Addresses an issue that affects Server Message Block (SMB). You cannot access the SMB shared folder. The errors are, “Not enough memory resources” or “Insufficient system resources”.
  • Addresses an issue that sends unexpected password expiration notices to users. This occurs when you set up an account to use “Smart Card is Required for Interactive Logon” and set “Enable rolling of expiring NTLM secrets”.
  • Addresses an issue that affects the Local Security Authority Subsystem Service (LSASS). It stops working. This occurs when you use Azure Virtual Desktop (AVD).
    The update addresses an issue that affects scheduled tasks. The tasks fail when they use stored local user account credentials. This occurs when you enable Credential Guard. The error message is “2147943726 : ERROR_LOGON_FAILURE (The username or password is incorrect).”
  • Addresses an issue that affects the Storage Spaces Direct (S2D) cluster. It might not come online.
  • This occurs after a periodic password rollover. The error code is 1326.
  • Addresses an issue that affects access to Tab settings for IE mode sites.
  • Addresses an issue that affects dot sourcing. It fails files that contain class definition in Windows PowerShell.
  • Addresses an issue that affects the use of Event Viewer. The issue limits the number of event sources that users who are not administrators can access.
  • Addresses an issue that affects applications that perform certain actions in a callback. The applications might stop working. These actions include closing a Window (WM_CLOSE).
  • This update changes the support phone number for Microsoft India for Windows activation.
    Addresses an issue that affects certain printers. They fail to install if they connect to Wi-Fi automatically.
  • This update changes the international mobile subscriber identity (IMSI) ranges for certain mobile providers.
  • Addresses an issue that affects the Windows Firewall. The firewall drops all connections to the IP address of a captive portal. This occurs when you choose the Captive Portal Addresses option.
  • Addresses a multi-function label printer issue. It affects the installation of some of them.
  • Addresses an issue that affects devices that are joined to Azure Active Directory (Azure AD). The Windows Firewall cannot apply the correct domain and profile for them.
  • Addresses an issue that affects audio playback. It fails on devices that have certain processors.
  • This update improves the user experience (UX) and interactions for the search box on the taskbar.
  • Addresses an issue that might affect a large reparse point. You might get a stop error when you use NTFS to access it. This issue occurs after a canceled FSCTL Set operation changes the reparse tag.

The update download and install automatically, but you can always force it from Settings > Windows Updates and click the “Check for Updates” button.

About the author

Mauro Huculak is a Windows How-To Expert who started Pureinfotech in 2010 as an independent online publication. He has also been a Windows Central contributor for nearly a decade. Mauro has over 14 years of experience writing comprehensive guides and creating professional videos about Windows and software, 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. Email him at [email protected].