August 19, 2025—KB5066188 (OS Builds 19044.6218 and 19045.6218) Out-of-band
This article lists the fixes and quality improvements included in this out-of-band update.
Windows 10, version 21H2
Applies to: Windows 10 Enterprise LTSC 2021 and Windows 10 IoT Enterprise LTSC 2021
Important: Use EKB KB5003791 to update to Windows 10, version 21H2 on supported editions.
This out-of-band update includes fixes and improvements that are a part of the following update:
The following is a summary of the key issue that this update addresses when you install this update. The bold text within the brackets indicates the item or area of the change we are documenting.
[Fix for reset and recovery issue] This update addresses an issue introduced by the August 2025 security update ( KB5063709) in which attempts to reset and recover the device fails. This issue happens when users perform one or more of the following four processes:
System >Recovery > Reset my PC
System > Recovery > Fix problems using Windows Update
RemoteWipe CSP
For more information on this issue, see its documentation on Windows release health. We recommend you install this optional OOB update if you have encountered this issue. If your system isn’t affected or you don’t plan using the methods described above, you can choose not to install the update.
Windows 10, version 22H2
Applies to: Windows 10, version 22H2
Important: Use EKB KB5015684 to update to Windows 10, version 22H2.
This out-of-band update includes fixes and improvements that are a part of the following update:
The following is a summary of the key issue that this update addresses when you install this update. The bold text within the brackets indicates the item or area of the change we are documenting.
[Fix for reset and recovery issue] This update addresses an issue introduced by the August 2025 security update ( KB5063709) in which attempts to reset and recover the device fails. This issue happens when users perform one or more of the following processes:
System >Recovery > Reset my PC
System > Recovery > Fix problems using Windows Update
RemoteWipe CSP
For more information on this issue, see its documentation on Windows release health. We recommend you install this optional OOB update if you have encountered this issue. If your system isn’t affected or you don’t plan using the methods described above, you can choose not to install the update.
August 19, 2025—KB5066188 (OS Builds 19044.6218 and 19045.6218) Out-of-band - Microsoft Support
Microsoft has released an out-of-band update for Windows 10 22H2, as well as Windows 10 Enterprise LTSC 2021 and Windows 10 IoT Enterprise LTSC 2021. The update encompasses fixes and enhancements from the August 2025 security update (KB5063709), which resolves an issue where attempts to reset and recover the device are unsuccessful. The update is advisable for individuals who have experienced this issue or who do not intend to utilize the aforementioned methods.
