May 28, 2019—KB4499162 (OS Build 15063.1839)

View products that this article applies to.

Release Date:

May 28, 2019

Version:

OS Build 15063.1839

Reminder: March 12^th and April 9^th will be the last two Delta updates for Windows 10, version 1703. Security and quality updates will continue to be available via the express and full cumulative update packages. For more information on this change please visit our blog.

Windows 10, version 1703, reached end of service on October 8, 2018. Devices running Windows 10 Home, Pro, Pro for Workstation, and IoT Core editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

IMPORTANT: Windows 10 Enterprise and Windows 10 Education editions will receive one year of additional servicing at no cost.

↑ Back to the top

Improvements and fixes

This update includes quality improvements. Key changes include:

Addresses an issue with looping redirects between Microsoft Edge and Internet Explorer 11.
Updates wininet.dll to prevent the re-creation of File Transfer Protocol (FTP) control sessions.
Addresses an issue to set the date separator properly in the Japanese short date format. For more information, see KB4469068.
Updates time zone information for Morocco.
Updates time zone information for the Palestinian Authority.
Improves performance related to case-insensitive string comparison functions such as _stricmp() in the Universal C Runtime.
Addresses an issue in which Windows attempts to renew Azure Active Directory (AAD) token certificates when there is no internet connectivity. This issue occurs during AAD authentication and slows the performance of applications.
Addresses an issue that may cause a temporary KRB_AP_ERR_MODIFIED Kerberos sign-in failure in applications and services configured to use a Group Managed Service Account (GMSA). This issue occurs after the automatic update of the service account password.
Addresses an issue that causes a sign-in to fail with the error, “Incorrect Username or password” when using an empty or null password and Windows Defender Credential Guard is enabled.
Addresses an issue that causes Microsoft Office and other applications to prompt for a password after you change a user account password. This issue occurs on hybrid Azure Active Directory (AD) joined systems.
Addresses an issue with BranchCache when it is in distributed cache mode. BranchCache may use more disk space than assigned for the republication cache. To fully address the issue, devices that have exceeded the disk space assignments should empty BranchCache using the netsh branchcache flush command.
Addresses an issue that may cause a Stop D1 error when you increase the random-access memory (RAM) capacity of a CPU (“hot add”) on a virtual machine.
Addresses an issue with scrollLeft in Internet Explorer.
Addresses an issue that causes rendering to stop working for <svg> elements.

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

Windows Update Improvements

Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.

↑ Back to the top

Known issues in this update

Symptom	Workaround
Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.	Do one of the following: Perform the operation from a process that has administrator privilege. Perform the operation from a node that doesn’t have CSV ownership. Microsoft is working on a resolution and will provide an update in an upcoming release.
Internet Explorer 11 may fail to open if Default Search Provider is not set or is malformed.	This issue is resolved in KB4503279.
Devices may have issues connecting to some Storage Area Network (SAN) devices using Internet Small Computer System Interface (iSCSI) after installing this update. You may also receive an error in the System log section of Event Viewer with Event ID 43 from iScsiPrt and a description of “Target failed to respond in time for a login request.”	This issue is resolved in KB4509476.
After installing this update and restarting, some devices with Hyper-V enabled may enter BitLocker recovery mode and receive an error, "0xC0210000".	This issue is resolved in KB4507450.

↑ Back to the top

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. For more information, see Servicing stack updates.

If you are using Windows Update, the latest SSU (KB4500640) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

Install this update

To download and install this update, go to Settings > Update & Security > Windows Update and select Check for updates.

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 4499162.

↑ Back to the top