January 11, 2022—KB5009546 (OS Build 14393.4886) - EXPIRED

EXPIRATION NOTICEAs of 9/12/2023, KB5009546 is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality update.

**Caution:**If you intend to install this update on a domain controller (DC), we highly recommend that you install the February 8, 2022 security update instead. The February security update addresses a known issue that might cause some versions of Windows Server to restart unexpectedly.

11/19/20
For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1607, see its update history page.

Highlights

• Updates security for your Windows operating system.

Improvements

This security update includes quality improvements. Key changes include:

• Addresses an issue that causes searchindexer.exe to stop responding during a dismount operation in the Remote Desktop setup environment.
• Addresses an issue that causes the BranchCache republication cache to take up more space than it is assigned. This issue occurs if the cache size exceeds 0xFFFFFFFF (4294967295) bytes within a short period (usually within 30 minutes).
  If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device. For more information about security vulnerabilities, please refer to the new Security Update Guide website and the January 2022 Security Updates.

Known issues in this update

• The KMS client could not reach the KMS host.

• The KMS host did not respond.

• The client did not receive the response.
  For more information on these event IDs, see Useful KMS client events - Event ID 12288 and Event ID 12289.| This issue is resolved in KB5010359.
  After installing this update, IP Security (IPSEC) connections that contain a Vendor ID might fail. VPN connections using Layer 2 Tunneling Protocol (L2TP) or IP security Internet Key Exchange (IPSEC IKE) might also be affected.| This issue is resolved in KB5010790.
  After installing this update on domain controllers (DCs), affected versions of Windows Servers might restart unexpectedly after receiving an Lsass.exe error.Note: On Windows Server 2016 and later, you are more likely to be affected when DCs are using Shadow Principals in Enhanced Security Admin Environment (ESAE) or environments with Privileged Identity Management (PIM).| This issue is resolved in KB5010790.
  After installing updates released January 11, 2022 or later, apps that use the Microsoft .NET Framework to acquire or set Active Directory Forest Trust Information might have issues. The apps might fail or close or you might receive an error from the app or Windows. You might also receive an access violation (0xc0000005) error. Note for developers Affected apps use the System.DirectoryServices API.| To resolve this issue manually, apply the out-of-band updates for the version of the .NET Framework used by the app.Note These out-of-band updates are not available from Windows Update and will not install automatically. To get the standalone package, search for the KB number for your version of Windows and .NET Framework in the Microsoft Update Catalog. You can manually import these updates into Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration Manager. For WSUS instructions, see WSUS and the Catalog Site. For Configuration Manger instructions, see Import updates from the Microsoft Update Catalog. For instructions on how to install this update for your operating system, see the KB articles listed below:

• Windows Server 2022:

  • .NET Framework 4.8 KB5011258

• Windows Server 2019:

  • .NET Framework 4.8 KB5011257
  • .NET Framework 4.7.2 KB5011259

• Windows Server 2016:

  • .NET Framework 4.8 KB5011264
  • .NET Framework 4.6.2, 4.7, 4.7.1 or 4.7.2 KB5011329

• Windows Server 2012 R2:

  • .NET Framework 4.8 KB5011266
  • .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 or 4.7.2 KB5011263
  • .NET Framework 4.5.2 KB5011261

• Windows Server 2012:

  • .NET Framework 4.8 KB5011265
  • .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 or 4.7.2 KB5011262
  • .NET Framework 4.5.2 KB5011260
    After installing the Windows updates released January 11, 2022 or later Windows versions on an affected version of Windows, recovery discs (CD or DVD) created by using the Backup and Restore (Windows 7) app in Control Panel might be unable to start.Recovery discs that were created by using the Backup and Restore (Windows 7) app on devices which have installed Windows updates released before January 11, 2022 are not affected by this issue and should start as expected.NoteNo third-party backup or recovery apps are currently known to be affected by this issue| This issue is addressed in KB5013952.

How to get this update

KB5009546 is no longer available.