KB5025801: Out of Box Experience update for Windows 10, version 20H2, 21H2, and 22H2: March 21, 2023

Applies To
Windows 10 Enterprise and Education, version 20H2 Windows 10 IoT Enterprise, version 20H2 Windows 10 Home and Pro, version 21H2 Windows 10 Enterprise Multi-Session, version 21H2 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Home and Pro, version 22H2 Windows 10 Enterprise Multi-Session, version 22H2 Windows 10 Enterprise and Education, version 22H2 Windows 10 IoT Enterprise, version 22H2

Summary

This update adds a Shim to prevent the CoCreateInstance function from creating unsupported objects. This update applies only to the Windows 10 OOBE process and is available only when OOBE updates are installed.

Note

Reminder

  • Windows 10, version 2004 reached end of servicing on December 14, 2021 for all editions. For more information, see here. To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows 10.
  • Windows 10, version 20H2 reached end of servicing on May 10, 2022 for devices running the Home, Pro, Pro Education, or Pro for Workstations editions. For more information, see here. To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows 10.
  • Windows Server, version 20H2 Standard Core and Datacenter Core reached end of servicing on August 9, 2022. Note that Windows 10, version 20H2 for Enterprise, Education, and IoT Enterprise will reach end of servicing on May 9, 2023. To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows Server.
  • Windows 10, version 21H1 reached end of servicing on December 13, 2022. This applies to all editions of Windows 10, version 21H1. For more information, see here. To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows 10.

How to get this update

Windows OOBE

This update is installed during the Windows OOBE process if an Internet connection is available.

Prerequisites

There are no prerequisites for installing this update.

Restart information

Your device requires a restart after applying this update.

Update replacement information

This update does not replace a previously released update.

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

For all supported x86-based versions
File name File version Date Time File size
sysmain.sdb Not versioned 16-Mar-23 15:30 3,877,346
AcRes.dll 10.0.19041.2788 16-Mar-23 15:31 333,696
AcGenral.dll 10.0.19041.2788 16-Mar-23 19:39 2,407,424
For all supported x64-based versions
File name File version Date Time File size
sysmain.sdb Not versioned 16-Mar-23 16:02 4,072,770
AcRes.dll 10.0.19041.2788 16-Mar-23 16:02 333,696
AcGenral.dll 10.0.19041.2788 16-Mar-23 21:00 381,952
AcGenral.dll 10.0.19041.2788 16-Mar-23 19:39 2,407,424
For all supported Arm64-based versions
File name File version Date Time File size
AcGenral.dll 10.0.19041.2788 16-Mar-23 20:08 32,768
AcGenral.dll 10.0.19041.2788 16-Mar-23 19:39 2,407,424
sysmain.sdb Not versioned 16-Mar-23 16:03 4,063,790
AcRes.dll 10.0.19041.2788 16-Mar-23 16:03 333,656
AcGenral.dll 10.0.19041.2788 16-Mar-23 21:07 12,800

References

Learn about the standard terminology that is used to describe Microsoft software updates.