Windows Server 2022 Preview Update KB5018485 (Oct. 25, 2022)

Windows[German]Microsoft has released an optional cumulative (preview) update KB5018485 for Windows Server 2022 on October 25, 2022 (D-Week). This update corrects a lot of issues in Server 2022. Below I provide an overview regarding these updates for Windows Server 2022.


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It should be noted that this update is a so-called preview or preview update. These updates are optional and by default must be manually triggered for download and installation..

Preview updates Windows Server 2022

The update history for Windows Server 2022 is available on this web page. The following preview updates have been published for Windows Server 2022.  dieser Webseite abrufbar. Für Windows Server 2022 wurde folgendes Preview Updates publiziert.

Update KB5018485 for Windows Server 2022

Cumulative Preview Update KB5018485 for Windows Server 2022 raises the OS build to 20348.1070. According to Microsoft, the preview update contains the following fixes and two new features:

  • New! It updates the text and web link for Windows Admin Center (WAC) notifications. These appear after you sign in to the desktop unless you have turned them off. The WAC notifications highlight the available Windows Server management options.
  • 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 causes an OS upgrade to stop responding, and then it fails.
  • It addresses an issue that affects the Windows Search service. It causes the indexing progress for the service to be slow.
  • 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 tasks. They might run years in the future if the next occurrence crosses a daylight-saving time change and you set the machine's time zone to UTC.
  • 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 the WinHTTP Web Proxy Auto-Discovery service. It cannot start because the services fails to create a remote procedure call (RPC) endpoint mapper database entry. This occurs if the service restarts more than 500 times.
  • 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 addresses 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 driver installation on certain hardware. You cannot see the display of the progress of the installation.
  • It addresses an issue that affects Windows Defender Application Control (WDAC). It stops WDAC from logging .NET Dynamic Code trust verification failures.
  • It addresses an issue that affects .msi files. Windows Defender Application Control ignores 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 input focus order. This affects the Tab key when you start from the password box on a credentials page to sign in.
  • It improves Active Directory replication performance in large environments.
  • It addresses an issue that affects the Forest Trust creation process. It fails to place the domain name system (DNS) name suffixes in the trust attributes. This issue occurs on devices that install January 11, 2022 or later updates.
  • 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 addresses an issue that affects certificate mapping. When it fails, lsass.exe might stop working in schannel.dll.
  • 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.

The update is optional and is only offered if the administrator 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 does not list any issues as known in connection with this update. Further details can be found in the support article in case of doubt.

Similar articles:
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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 Server 2022 Preview Update KB5018485 (Oct. 25, 2022)


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