Windows 11 21H2: Preview Update (Oct. 25, 2022)

Windows[German]Microsoft has released the optional cumulative (preview) update KB5018483 for Windows 11 version 21H2 on October 25, 2022. There are a number of new features and especially a long list of bug fixes. Below I give an overview regarding these updates for Windows 11.


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It should be noted that this update is a so-called preview update. This is optional and by default must be manually triggered to download and install. It contains the fixes that will be rolled out in the security update for the following month. The list of updates for Windows 11 21H2 can be viewed on this Microsoft page.

Preview-Update KB5018483 for Windows 11 21H2

Preview update KB5018483 for Windows 11 21H2, version 21H2, which raises the OS build to 22000.1165 and provides a number of fixes for these Windows versions. Here are what are called highlights below, changes and fixes:

  • New! It adds improvements to Windows search results and performance.
  • New! It adds Task Manager to the context menu when you right-click the taskbar. This feature rolls out in the coming weeks.
  • It addresses an issue that causes an OS upgrade to stop responding, and then it fails.
  • It addresses an issue that affects a task you schedule to run every two (or more) weeks. It runs every week instead.
  • It addresses an issue that affects Microsoft Direct3D 9 games. The graphics hardware stops working if the hardware does not have a native Direct3D 9 driver.
  • It addresses an issue that affects the font of three Chinese characters. When you format these characters as bold, the width size is wrong.
  • It addresses graphical issues in games that use Microsoft D3D9 on some platforms.
  • It addresses an issue that affects Microsoft Edge when it is in IE Mode. The titles of pop-up windows and tabs are wrong.
  • It addresses an issue that affects the lasso tool in a graphic editing program.
  • It addresses an issue that affects Dual SIM calling. If you select no SIM on your phone and initiate a call on your device, Dual SIM functionality does not work.
  • It addresses an issue in that stops the credentials UI from displaying in IE mode when you use Microsoft Edge.
  • It stops the start of daylight saving time in Jordan at the end of October 2022. The Jordan time zone will permanently shift to the UTC + 3 time zone.

Microsoft is rolling out many new features gradually. Microsoft states the following improvements and fixes that the update makes in the support article:

  • New! It adds improvements to Windows search results and performance.
  • New! It adds Task Manager to the context menu when you right-click the taskbar. This feature rolls out in the coming weeks.
  • It addresses an issue that affects Distributed Component Object Model (DCOM) authentication hardening. It automatically raises the authentication level for all non-anonymous activation requests from DCOM clients to RPC_C_AUTHN_LEVEL_PKT_INTEGRITY. This occurs if the authentication level is below Packet Integrity.
  • It addresses a DCOM issue that affects the Remote Procedure Call Service (rpcss.exe). It raises the authentication level to RPC_C_AUTHN_LEVEL_PKT_INTEGRITY instead of RPC_C_AUTHN_LEVEL_CONNECT if RPC_C_AUTHN_LEVEL_NONE is specified.
  • It addresses an issue that affects the Microsoft Azure Active Directory (AAD) Application Proxy connector. It cannot retrieve a Kerberos ticket on behalf of the user. The error message is, "The handle specified is invalid (0x80090301)."
  • It addresses an issue that affects scheduled Native Image Generator (Ngen.exe) tasks on devices that have certain processors.
  • It addresses an issue that affects certificate mapping. When it fails, lsass.exe might stop working in schannel.dll.
  • It addresses an issue that causes an OS upgrade to stop responding, and then it fails.
  • It addresses an issue that affects a task you schedule to run every two (or more) weeks. It runs every week instead.
  • It addresses an issue that affects Microsoft Direct3D 9 games. The graphics hardware stops working if the hardware does not have a native Direct3D 9 driver.
  • It addresses an issue that affects the font of three Chinese characters. When you format these characters as bold, the width size is wrong.
  • It addresses graphical issues in games that use Microsoft D3D9 on some platforms.
  • It addresses an issue that affects Microsoft Edge when it is in IE Mode. The titles of pop-up windows and tabs are wrong.
  • It addresses an issue that affects Microsoft Edge IE mode. It stops you from opening webpages. This occurs when you enable Windows Defender Application Guard (WDAG) and you do not configure Network Isolation policies.
  • It address an issue that affects input method editors (IME) from Microsoft and third parties. They stop working when you close the IME window. This occurs if the IME uses Windows Text Services Framework (TSF) 1.0.
  • It addresses an issue that affects the lasso tool in a graphic editing program.
  • It addresses an issue that affects a universal printer. You cannot reinstall it after you remove it.
  • It addresses an issue that creates a duplicate print queue. Because of this, the original print queue stops working.
  • It addresses an issue that affects some drivers. They use more power when you play hardware-protected digital rights management (DRM) content.
  • It addresses an issue that affects driver installation on certain hardware. You cannot see the display of the progress of the installation.
  • It addresses an issue that affects the Clipchamp application that is in the Windows 11 SE edition. Clipchamp will not run.
  • It addresses an issue that affects .msi files. Windows Defender Application Control (WDAC) will ignore them when you disable script enforcement.
  • It addresses an issue that affects a remote desktop virtual desktop infrastructure (VDI) scenario. The session might use the wrong time zone.
  • It addresses an issue that affects File Explorer on a remote desktop (RD) session host. File Explorer stops working. This occurs when a non-Windows client connects to a Windows 11 RD session host, and you enable the Time Zone Redirection policy.
  • It addresses an issue that affects the button style BS_PUSHLIKE. Buttons that have this style are difficult to identify against a dark background.
  • It addresses an issue in that stops the credentials UI from displaying in IE mode when you use Microsoft Edge.
  • It addresses an issue that affects Dual SIM calling. If you select no SIM on your phone and initiate a call on your device, Dual SIM functionality does not work.
  • It addresses an issue that affects Server Manager. It might reset the wrong disk when several disks have the same UniqueId. For more information, see KB5018898.
  • It updates the Windows kernel vulnerable driver blocklist that is in the DriverSiPolicy.p7b file. This update also ensures that the blocklist is the same across Windows 10 and Windows 11. For more information, see KB5020779.
  • It makes Microsoft compliant with US Government (USG) version 6 revision 1 (USGv6-r1)
  • It stops the start of daylight saving time in Jordan at the end of October 2022. The Jordan time zone will permanently shift to the UTC + 3 time zone.

This long list of new features and fixes will be integrated in the security update for the following month. The preview update is optional and is only offered when 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. he latest Servicing Stack Update (SSU) is integrated to fix various issues. Microsoft does not list any known issues. Further details, e.g. about the installation requirements, can be found in the support article in case of doubt. The known issues are also listed there. The colleagues from deskmodder.de present a workaround here to be able to call the Task Manager via context menu.

Similar articles:
Microsoft Office Updates with fix for Excel bug (September 6, 2022)
Microsoft Security Update Summary (September 13, 2022)
Patchday: Windows 10-Updates (September 13, 2022)
Patchday: Windows 11/Server 2022-Updates (September 13, 2022)
Windows 7/Server 2008R2; Windows 8.1/Server 2012R2: Updates (September 13, 2022)
Patchday: Microsoft Office Updates (September 13, 2022)


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Windows 11 21H2: Preview Update (Oct. 25, 2022)
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