April 9, 2024 Security update (KB5036909)

Improvements 

This security update includes quality improvements. When you install this KB: 

• New! This update affects Windows Hello for Business. IT admins can now use mobile device management (MDM) to turn off the prompt that appears when users sign in to an Entra-joined machine. To do this, they can turn on the “DisablePostLogonProvisioning” policy setting. After a user signs in, provisioning is off for Windows 10 and Windows 11 devices.

• This update supports daylight saving time (DST) changes in Palestine. To learn more, see Interim guidance for DST changes announced by Palestinian Authority for 2024, 2025.  

• This update supports DST changes in Kazakhstan. To learn more, see Interim guidance for Kazakhstan time zone changes 2024.

• This update supports DST changes in Samoa. To learn more, see Interim guidance for Samoa DST changes 2021.

• This update addresses an issue that causes high CPU usage. This occurs after you open the Snipping Tool.

• This update addresses an issue that affects a network resource. You cannot access it from a Remote Desktop session. This occurs when you turn on the Remote Credential Guard feature and the client is Windows 11, version 22H2 or higher.

• This update addresses an issue that affects Microsoft Edge IE mode. When you open many tabs, it stops responding.

• This update addresses an issue that affects DNS servers. They receive Event 4016 for a timeout of the Lightweight Directory Access Protocol (LDAP). This occurs when they perform DNS registrations. Name registrations fail with Active Directory Domain Services (AD DS). The issue remains until you restart the DNS service.

• This update addresses an issue that affects workload virtual machines (VM). They lose their connection to the network in production environments.

• This update addresses an issue that affects mouse cursor movements. They lag in some screen capture scenarios, especially when you use the Remote Desktop Protocol (RDP).

• This update addresses an issue that affects the Group Policy service. It fails after you use LGPO.exe to apply an audit policy to the system.

• This update addresses an issue that affects the display of a smart card icon. It does not appear when you sign in. This occurs when there are multiple certificates on the smart card.

• This update addresses an issue that causes your device to shut down after 60 seconds. This occurs when you use a smart card to authenticate on a remote system.

• This update addresses an issue that affects temporary group membership. Users whose memberships have expired appear when you search for them in LDAP. This occurs even though Active Directory has removed them.

• This update addresses an issue that affects Windows Local Administrator Password Solution (LAPS) Post Authentication Actions (PAA). The actions occur at restart instead of at the end of the grace period.  

• This update addresses an issue that affects a root directory. When you open an alternate data stream and delete something, you get an error.

• This update addresses an issue that affects the Resilient File System (ReFS). A stop error prevents the OS from starting up correctly.

• This update addresses an issue that occurs when you create a file that spans more than one directory. When you rename the original directory, you get an error.

• This update addresses an issue that affects fastfat.sys. It stops responding. This occurs because of a race condition.

• This update addresses an issue that affects Name Service Provider Interface (NSPI) queries. They might fail. If they do, lsass.exe stops responding on a domain controller.

For more information about security vulnerabilities, please refer to the Security Update Guide and the April 2024 Security Updates. 

To return to the Azure Stack HCI documentation site

Known issues in this update

Microsoft is not currently aware of any issues with this update.

How to get this update

Before installing this update

Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

To install the LCU on your Azure Stack HCI cluster, see Update Azure Stack HCI clusters.

Install this update

File Information

For a list of the files that are provided in this update, download the file information for cumulative update 5036909.

For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 20349.2401.