Microsoft Releases Optional Windows 11 KB5011563 “Preview” Update


A non-security Windows 11 update is now available as an optional update for Windows 11 users. Marked as “preview”, this update is from version “C”, meaning that This is not a mandatory update, and all of the features and bug fixes shipping today will soon arrive on your device via the mandatory Patch Tuesday update next month. Therefore, it is not advisable to install “preview” updates on mainstream devices unless they fix a problem that bothers you.

Today’s Windows 11 KB5011563 (Build 22000.593) preview brings a new feature: up to four toast notifications can now appear simultaneously, three of them high priority and one notification normal priority.

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Windows 11 Update KB5011563 Full Release Notes

  • New! Displays up to three high priority toast notifications simultaneously. This feature is intended for apps that send call, reminder, or alarm notifications using Windows notifications in the operating system. Therefore, up to four toast notifications can appear simultaneously – three high priority notifications and one normal priority notification.

  • Addresses an issue that disables automatic startup of Universal Windows Platform (UWP) apps after OS upgrade.
  • Fixes an issue that causes SystemSettings.exe to stop working.
  • Fixes an issue that affects search indexer.EXE and prevents Microsoft Outlook offline search from returning recent emails.
  • Addresses an issue that increases Windows startup time. This issue occurs because a UI thread in a networking API becomes unresponsive when a 5G wireless wide area network (WWAN) device is slow to wake up.
  • Fixes a memory leak in the wmipicmp.dll module that causes many false alarms in the System Center Operations Manager (SCOM) data center monitoring system.
  • Addresses an issue that incorrectly returns execution policy settings from the registry.
  • Addresses an issue in which modern browsers fail to correctly render HTML generated by result/h.
  • Addresses an issue that causes an “Access Denied” exception for a file during a PowerShell test for AppLocker.
  • Addresses an issue that causes the Remote Desktop Service (RDS) server to become unstable when the number of connected users exceeds 100. This prevents you from accessing applications published using RDS on Windows Server 2019.
  • Addresses an issue that returns an error message when searching for a domain or organizational unit (OU). This issue occurs due to improper memory reset.
  • Addresses an issue that prevents the Group Policy Management Console from working after it closes. The system logs Application Error Event ID 1000 and error 0xc0000005 (STATUS_ACCESS_VIOLATION); the faulty module is GPOAdmin.dll.
  • Addresses an issue that may cause the Group Policy service to stop processing telemetry information for Group Policy registry preferences.
  • Fixes a stop error (0xD1, DRIVER_IRQL_NOT_LESS_OR_EQUAL) in the DirectX kernel component.
  • Fixes an issue that could cause Kerberos.dll to cease working within the Local Security Authority Subsystem Service (LSASS). This occurs when LSASS processes concurrent user-to-user (U2U) service-for-user (S4U) requests for the same client user.
  • Addresses an issue that affects the Key Distribution Center (KDC) proxy. The KDC proxy cannot correctly obtain Kerberos tickets to connect to Key Trust Windows Hello for Business.
  • Adds support for Microsoft Account Transfer (MSA) scenarios in Azure Active Directory (AAD) Web Account Manager (WAM).
  • Addresses an issue that logs Event ID 37 during certain password change scenarios, including Failover Cluster Name Object (CNO) or Failover Cluster Name Object (CNO) password changes. virtual computer (VCO).
  • Addresses an issue that prevents the User Account Control (UAC) dialog from correctly displaying the application that is requesting elevated privileges.
  • Addresses an issue that could cause a Microsoft OneDrive file to lose focus after renaming it and pressing Enter.
  • Returns the corresponding settings page when you search for the word widget.
  • Addresses an issue that prevents event 4739 from displaying new values ​​for some attributes after a policy change.
  • Fixes an issue that causes the Move-ADObject the command fails when you move computer accounts between domains. The error message is “Multiple values ​​were specified for an attribute that can only have one value”.
  • Addresses an issue that prevents you from accessing Server Message Block (SMB) shares using an IP address when SMB hardening is enabled.
  • Addresses an issue that causes Stop Error 0x1E in SMB Server (srv2.sys).
  • Addresses an issue that causes a mismatch between NetBIOS and Active Directory DNS domain names when you create a cluster.

You can get Windows 11 Optional Update KB5011563 today through the Microsoft Update Catalog and Windows Update (or Microsoft Update). Microsoft has also released Windows 11 servicing stack update 22000.581 which brings quality improvements to the servicing stack. For more details, see the official support document.


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