Windows 10 21H1 – 21H2/Server 20H2: Preview Update KB5014023 (June 2, 2022) with bug fixes

Windows[German]Microsoft has released the optional cumulative (preview) update KB5014023, scheduled for May 2022 (D-Week), on June 2, 2022 (severely delayed). This is supposed to fix numerous bugs in Windows Server version 20H2 as well as Windows 10 version 21H1 – 21H2. Below I provide an overview regarding these updates for Windows 10.


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The information about the updates can be found in the Windows 10 update history page. It should be noted that these updates are so-called preview or preview updates. These are optional and must be manually triggered for download and installation by default.

This update was extensively tested with Windows 10 insiders in May 2022 (see Windows 10 21H2: Does Update KB5014023 fixes profile issues caused by May 2022 patches? and Windows 10: Microsoft tests preview update KB5014023 with insiders).

Update KB5014023 for Windows 10 21H1 – 21H2 / Server 20H2

Cumulative Preview Update KB5014023 is available for Windows Server 20H2 and Windows 10 version 21H1 – 21H2, raises the builds to 19042.1741 (Server 20H2), 19043.1741 (Windows 10 21H1) and 19044.1741 (Windows 10 21H2). Here is the list of highlights:

  • Addresses a rare issue that prevents Microsoft Excel or Microsoft Outlook from opening.
  • Addresses an issue that affects the IE mode window frame. 
  • Addresses an issue that prevents internet shortcuts from updating.
  • Addresses an issue that causes an Input Method Editor (IME) to discard a character if you enter the character while the IME is converting previous text.
  • Addresses an issue that causes file copying to be slower.
  • Addresses a known issue that affects certain GPUs and might cause apps to close unexpectedly or cause intermittent issues that affect some apps that use Direct3D 9.

Here is a list of fixed bugs:

  • New! Introduces new sorting version 6.4.3, which addresses the sorting issue that affects Japanese half-width katakana.
  • Prevents users from bypassing forced enrollment by disconnecting from the internet when they sign in to Azure Active Directory (AAD).
  • Addresses an issue that might run an AnyCPU application as a 32-bit process.
  • Addresses an issue that prevents Azure Desired State Configuration (DSC) scenarios that have multiple partial configurations from working as expected.
  • Addresses an issue that affects remote procedure calls (RPC) to the Win32_User or Win32_Group WMI class. The domain member that runs the RPC contacts the primary domain controller (PDC). When multiple RPCs occur simultaneously on many domain members, this might overwhelm the PDC.
  • Addresses an issue that occurs when adding a trusted user, group, or computer that has a one-way trust in place. The error message, "The object selected doesn't match the type of destination source" appears.
  • Addresses an issue that fails to display the Application Counters section in the performance reports of the Performance Monitor tool.
  • Addresses a rare issue that prevents Microsoft Excel or Microsoft Outlook from opening.
  • Addresses a memory leak issue that affects Windows systems that are in use 24 hours each day of the week.
  • Addresses an issue that affects the IE mode window frame.
  • Addresses an issue that prevents internet shortcuts from updating.
  • Addresses an issue that causes an Input Method Editor (IME) to discard a character if you enter the character while the IME is converting previous text.
  • Addresses an issue that causes print failures when a low integrity level (LowIL) application prints to a null port.
  • Addresses an issue that prevents BitLocker from encrypting when you use the silent encryption option.
  • Addresses an issue that occurs when you apply multiple WDAC policies. Doing that might prevent scripts from running when the policies allow scripts to run.
  • Addresses an issue that affects the behavior and shape orientation of a mouse cursor for Microsoft Defender Application Guard (MDAG), Microsoft Office, and Microsoft Edge. This issue occurs when you turn on a virtual graphics processing unit (GPU).
  • Addresses an issue that might cause the Remote Desktop client application to stop working when you end a session.
  • Addresses a reliability issue in the Terminal Services Gateway (TS Gateway) service that randomly causes clients to disconnect.
  • Deploys search highlights to devices that are domain-joined. For more information about the feature, see Group configuration: search highlights in Windows. You can configure search highlights at the enterprise scale using Group Policy settings defined in the Search.admx file and Policy CSP – Search.
  • Addresses an issue that displays the wrong image for the Input Method Editor (IME) mode indicator icon when you turn on the Font Mitigation policy. For more information, see Block untrusted fonts in an enterprise.
  • Addresses an issue that causes a yellow exclamation point to display in Device Manager. This occurs when a Bluetooth remote device advertises the Advanced Audio Distribution Profile (A2DP) source (SRC).
  • Addresses an issue in which the Cluster Windows Management Instrumentation (WMI) provider (ClustWMI.dll) generates high CPU usage in WMIPRVSE.EXE.
  • Addresses an issue that causes Microsoft's deduplication driver to consume large amounts of nonpaged pool memory. As a result, this depletes all the physical memory on the machine, which causes the server to stop responding.
  • Addresses an issue that causes file copying to be slower because of a wrong calculation of write buffers within cache manager.
  • Addresses an issue that might cause a system to stop responding when a user signs out if Microsoft OneDrive is in use.
  • Addresses a known issue that might prevent recovery discs (CD or DVD) from starting if you created them using the Backup and Restore (Windows 7) app in Control Panel. This issue occurs after installing Windows updates released January 11, 2022 or later.
  • Addresses a known issue that affects certain GPUs and might cause apps to close unexpectedly or cause intermittent issues that affect some apps that use Direct3D 9. You might also receive an error in the Event Log in Windows Logs/Applications, and the faulting module is d3d9on12.dll and the exception code is 0xc0000094.
  • Addresses an issue that prevents the file system control code (FSCTL_SET_INTEGRITY_INFORMATION_EX) from handling its input parameter correctly.

I see from the list that the backup problem that has existed for months has been fixed. In addition, Search Highlight is also available for machines in domains – I wrote about this feature in the blog post Windows 10: Microsoft expands "search highlights" in search area (May 19, 2022). Furthermore, the slow copy processes and a bug that prevents the start of apps should have been eliminated. 

The update is optional and is only offered if the user explicitly selects optional updates for installation in the settings page. The update can also be downloaded and installed from the Microsoft Update Catalog. The latest Servicing Stack Update (SSU) is integrated. Microsoft lists several known issues with this update in the support article. If in doubt, see the support post for more details. 


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Similar articles:
Microsoft Office Updates (May 3, 2022)
Microsoft Security Update Summary (May 10, 2022)
Patchday: Windows 10-Updates (May 10, 2022)
Patchday: Windows 11/Server 2022-Updates (May 10, 2022)
Windows 7/Server 2008R2; Windows 8.1/Server 2012R2: Updates (May 10, 2022)


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