January 3, 2018—KB4056892 (OS Build 16299.192)

Applies to: Windows 10, version 1709

Improvements and fixes


This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

  • Addresses issue that may uninstall some Microsoft Store apps on systems that have KB4054517 installed. This solution will not reinstall apps that were uninstalled by this issue. Uninstalled apps can be reinstalled manually from the Microsoft Store.
  • Addresses issue where event logs stop receiving events when a maximum file size policy is applied to the channel.
  • Addresses issue where printing an Office Online document in Microsoft Edge fails.
  • Addresses issue where the touch keyboard doesn’t support the standard layout for 109 keyboards.
  • Addresses video playback issues in applications such as Microsoft Edge that affect some devices when playing back video on a monitor and a secondary, duplicated display.
  • Addresses issue where Microsoft Edge stops responding for up to 3 seconds while displaying content from a software rendering path.
  • Addresses issue where only 4 TB of memory is shown as available in Task Manager in Windows Server version 1709 when more memory is actually installed, configured, and available. After installing this update, you must restart the computer twice.
  • Addresses issue where update installation may stop at 99% and may show elevated CPU or disk utilization. This occurs if a device was reset using the Reset this PC functionality after installing KB4054022.
  • Security updates to Windows SMB Server, the Windows Subsystem for Linux, Windows Kernel, Windows Datacenter Networking, Windows Graphics, Microsoft Edge, Internet Explorer, and the Microsoft Scripting Engine.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

For more information about the resolved security vulnerabilities, see the Security Update Guide.

Known issues in this update


Symptom Workaround
Windows Update History reports that KB4054517 failed to install because of Error 0x80070643.

This issue is resolved in KB4058258.

When calling CoInitializeSecurity, the call will fail if passing RPC_C_IMP_LEVEL_NONE under certain conditions.

When calling CoInitializeSecurity, the call may fail when passing RPC_C_AUTHN_LEVEL_NONE as the authentication level. The error returned on failure is STATUS_BAD_IMPERSONATION_LEVEL.

This issue is resolved in KB4073291.

Microsoft has reports of some customers on a small subset of older AMD processors getting into an unbootable state after installing this KB.
 
To prevent this issue, Microsoft will temporarily pause Windows OS updates to devices with impacted AMD processors at this time.

This issue is resolved in KB4073290.

Because of an issue that affects some versions of antivirus software, this fix applies only to computers on which the antivirus ISV updated the ALLOW REGKEY.

This issue is resolved in KB4088776.

After installing this update, some users may experience issues logging into some websites when using third-party account credentials in Microsoft Edge.  This issue is resolved in KB4074588.

After installing this update, some devices may fail to boot with INACCESSIBLE_BOOT_DEVICE.

This issue occurs when the windows update servicing stack incorrectly skips installing the newer version of some critical drivers in the cumulative update and uninstalls the currently active drivers during maintenance. 

This issue is resolved in KB4090913.

Users with Windows 10 Version 1709 Enterprise that have installed the January 2018 Delta package may encounter failure issues when installing the February and March 2018 updates from the Microsoft Update Catalog. Specifically, the Windows 10, version 1709 February Delta Update may silently fail.

Microsoft is aware of this issue and has expired the following Windows 10 version 1709 Delta Update KBs on the Microsoft Catalog on March 13, 2018:

KB4056892 – January 2018

KB4074588 – February 2018

KB4088776 – March 2018

Microsoft recommends that users uninstall the Windows 10 version 1709 January KB4056892 Delta Update package and install the March 2018 full latest cumulative update, KB4088776. Customers may resume using Delta Update packages with the April 2018 Windows 10 version 1709 monthly cumulative update.

How to get this update


This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for cumulative update 4056892.