[German]Microsoft has released an optional cumulative (preview) update KB5017379 on September 20, 2022 (C-Week). This is intended to fix numerous bugs in Windows Server 2019 as well as Windows 10 Enterprise 2019 LTSC, etc. Below, I provide an overview regarding these updates for Windows 10.
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The information regarding 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.
Windows 10 Preview Update KB5017379
Cumulative preview update KB5017379 is available for Windows 10 Enterprise 2019 LTSC, Windows 10 IoT Enterprise 2019 LTSC, Windows 10 IoT Core 2019 LTSC, and Windows Server 2019. It raises the build to 17763.3469. Microsoft cites the following as highlights of what has been fixed as a bug:
- Addresses non-security issues for your Windows operating system.
- Addresses a known issue that affects daylight saving time in Chile. This issue might affect the time and dates used for meetings, apps, tasks, services, transactions, and more.
Below is the list of new features and fixes that Microsoft states for the update (these will be included in the security update for the following month):
- New! Turns off Transport Layer Security (TLS) 1.0 and 1.1 by default in Microsoft browsers and applications. For more information, see KB5017811.
- Introduces a Group Policy that enables and disables Microsoft HTML Application (MSHTA) files.
- Addresses an issue that affects the App-V client service. The service leaks memory when you delete App-V registry nodes.
- Addresses an issue that affects Windows Defender Application Control (WDAC). It stops WDAC from logging .NET Dynamic Code trust verification failures.
- Addresses an issue that affects non-Windows devices. It stops these devices from authenticating. This issue occurs when they connect to a Windows-based remote desktop and use a smart card to authenticate.
- Addresses an issue that affects the Local Security Authority Subsystem Service (LSASS). LSASS might stop working on a child domain controller (DC). This might occur when you lose the connection to a root DC while you are searching for a name that is in many forests or a security ID (SID).
- Addresses an issue that affects cldflt.sys. A stop error occurs when it is used with Microsoft OneDrive.
- Addresses an issue that affects a network's static IP. The issue causes the configuration of the static IP to be inconsistent. Because of this, NetworkAdapterConfiguration() fails sporadically.
- Addresses an issue that might change the default printer if the printer is a network printer.
- Addresses an issue that affects Group Policy Objects. Because of this, the system might stop working.
- Addresses an issue that affects the FindNextFileNameW() function. It might leak memory.
- Addresses an issue that affects robocopy. Robocopy fails to set a file to the right modified time when using the /IS option.
- Addresses an issue that affects the LanmanWorkstation service. When you mount a network drive, the service leaks memory.
- Addresses a known issue that affects daylight saving time in Chile. This issue might affect the time and dates used for meetings, apps, tasks, services, transactions, and more.
It should be emphasized that Microsoft disables TLS 1.0 and 1.1 by default in browsers and applications. Furthermore, the problem with the daylight saving time change in Chile is solved (see Windows 10/ 11: Possible daylight saving time changeover issues [in Chile and worldwide]).
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 known issues with this update in the support article. Further details, including the prerequisites for an installation, can be found in the support article in case of doubt.
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