Microsoft has now released Windows 11 February Patch Tuesday update KB5010386 (Build 22000.493) to all devices running Windows 11. The update brings fix for a Windows 11 failure issue.

Coming to details now, the update Windows 11 KB5010386 fixes “Error: 0x20EF. The directory service encountered an unknown failure” issue. This issue causes a Lightweight Directory Access Protocol (LDAP) modify operation to fail in some cases.  Check the change log of Windows 11 update KB5010386 below.

Improvements and fixes

This security update includes quality improvements. Key changes include:

  • Addresses an issue that causes a Lightweight Directory Access Protocol (LDAP) modify operation to fail if the operation contains the SamAccountName and UserAccountControl attributes. The error message is, “Error: 0x20EF. The directory service encountered an unknown failure”.

Download link:

You can download and manually install Windows 11 update KB5010386 by clicking here. If you need help in understanding how to install these updates manually on your PC, you can refer to our step by step noob-friendly tutorial.