February 12, 2019—KB4487044 (OS Build 17763.316)

Applies to: Windows 10, version 1809Windows Server 2019, all versions

Improvements and fixes


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

  • Addresses an issue that fails to set the LmCompatibilityLevel value correctly. LmCompatibilityLevel specifies the authentication mode and session security. 
  • Addresses an issue that may prevent applications that use a Microsoft Jet database with the Microsoft Access 97 file format from opening. This issue occurs if the database has column names greater than 32 characters. The database fails to open with the error, “Unrecognized Database Format”.
  • Addresses an issue that prevents Microsoft Edge from loading webpages using a local IP address or a VPN connection.
  • Addresses an issue that causes the Windows Hello for Business Hybrid Key Trust deployment sign-in to fail if Windows 2019 Server domain controllers (DC) are used for authentication. The error is, "That option is temporarily unavailable. For now, please use a different method to sign in”. If Active Directory (AD) activity tracing is enabled, a Local Security Authority Subsystem Service (LSASS) exception may occur in the Windows 2019 DC when processing a user’s sign in.
     
  • Addresses an issue in Microsoft HoloLens that allows users to bypass the lock screen sign in process in some work flows.
  • Addresses an issue in Microsoft HoloLens that causes Miracast to disconnect and not reconnect when an app starts using the camera.
  • Improves the reliability of app downloads from the Microsoft Store and MDM servers while a device is in Standby for Microsoft HoloLens.
  • Improves hologram stability when using Holographic Remoting for Microsoft HoloLens.
  • Allows Kiosk mode configuration on Microsoft HoloLens without specifying a startup app.
  • Improves the reliability of Remote Assist in Microsoft HoloLens.
  • Improves Wi-Fi Connect during the out of box experience (OOBE) for Microsoft HoloLens.
  • Addresses an issue that removes secondary tiles during an upgrade for Microsoft HoloLens.
  • Allows you to skip Wi-Fi setup when using a provisioning package to configure Microsoft HoloLens.
  • Security updates to Microsoft Scripting Engine, Microsoft Edge, Windows Server, the Microsoft JET Database Engine, Internet Explorer, Windows Wireless Networking, Windows Storage and Filesystems, Windows Input and Composition, Windows Graphics, and Windows App Platform and Frameworks.

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, please refer to the Security Update Guide.

Known issues in this update


Symptom Workaround
After installing this update, the first character of the Japanese era name is not recognized as an abbreviation and may cause date parsing issues.

This issue is resolved in KB4482887.

After installing this update, Internet Explorer may fail to load images with a backslash (\) in their relative source path.

This issue is resolved in KB4482887.

Applications that use a Microsoft Jet database with the Microsoft Access 95 file format may randomly stop working.

This issue is resolved in KB4482887.

After installing this update, Internet Explorer 11 may have authentication issues. This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logons. Symptoms reported by customers include, but may not be limited to:

  • Cache size and location show zero or empty.
  • Keyboard shortcuts may not work properly.
  • Webpages may intermittently fail to load or render correctly.
  • Issues with credential prompts.
  • Issues when downloading files.

Create unique user accounts so that two people don’t share the same user account when logging on to a Windows Server machine. Additionally, disable multiple RDP sessions for a single user account for a specific Windows Server.

Microsoft is working on a resolution and will provide an update in an upcoming release.
After installing this update, users may receive “Error 1309” while installing or uninstalling certain types of MSI and MSP files.

This issue is resolved in KB4489899.

After installing this update, MSXML6 causes applications to stop responding if an exception was thrown during node operations, such as appendChild(), insertBefore(), and moveNode().

Group Policy editor may also be affected when editing a Group Policy Object (GPO) that contains a Group Policy Preference for Internet Settings.
Microsoft is working on a resolution and will provide an update in an upcoming release.

How to get this update


Before installing this update

Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For more information, see Servicing stack updates.

If you are using Windows Update, the latest SSU (KB4470788) will be offered to you automatically. To get the stand-alone package for the latest SSU, go to the Microsoft Update Catalog.

Install this update

This update will be downloaded and installed automatically from Windows Update. To get the stand-alone 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 4487044