Windows 10: Windows 11 21H2 Errors on My Old PC

Windows 11 21H2 Problems in My Old PC:-*Startup Problems*Network Adapter Disabling*Disk Drive Errors

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Windows 11 compatible but not even offered 21H2??

I have an HP desktop PC and a DELL laptop and both are suitable for Windows 11 although it has not been offered as yet. Both machines have received the latest Windows updates and are on Windows 10 version 21H1 build 1288.

1. I am not interested in upgrading to Windows 11 but, if the machines are suitable for Windows 11, why aren’t my machines being offered the upgrade to version 21H2?
2. Are there issues with 21H2 that caused Microsoft to put an upgrade block on it?
3. I am happy with version 21H1 and I assume I will not be offered the upgrade to Windows 11 until version 21H2 is installed. Am I right in this assumption?

Thanks.

 

Cannot update Windows 11 to build 22h2

Need more help than support web site offers. I would like to update a Windows Pro 21h2 to 22h2.

I've tried every suggestion at Troubleshoot problems updating Windows - Microsoft Support short of "Perfrom a clean installation of Windows 11." That list is comprehensive and includes everything I would have thought of on my own and then some. None of the troubleshooting suggestions solved the problem. The system in question is a Lenovo ThinkCentre M90n desktop running Windows 11 Pro Version 21H2.

In addition to all the steps at the above link, I've also tried installing by using Windows 11 Installation Assistant. Installation Assistant downloads and goes through the long installation process. But then very shortly after the reboot starts, it says, "Undoing changes" and boots back into the old build.

 

Windows 11 Installation Error Error Code: 0xC1900101 0x4001

Hi MJBurns,

The setup platform crashed with error code 0xc0000005. This is a known issue with the recent Windows 11 setup modules.

Recent threads:

• Can't update to Windows 11: 0x80070002 error - Microsoft Community (resolved)
  

• windows 11 setup randomly closes - Microsoft Community
  

Dietmar Haimann on X: "Is there any known issue upgrading #Windows10 to #Windows11, 0xc0000005, SetupHost.exe, acmigration.dll. Stuck at 14%. /dynamicupdate disable is set. Any ideas? @jarwidmark" / X: x.com

Many users face this issue, and buggy acmigration.dll is to blame. Replacing acmigration.dll with a much older version seems to have helped some users.

Please check out this Reddit thread → In Place Upgrade Hanging - Recent... : r/SCCM

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SOLUTION/WORKAROUND

Step 1: You can use this batch script (GitHub) to download the Windows 21H2 version of the ISO.

Step 2: Download the Windows 11 23H2 ISO from Download Windows 11

After downloading the two ISOs, do one of the following:

Option 1: Run setup.exe from the 21H2 ISO and point to the 23H2 WIM

Mount the 21H2 ISO and the 23H2 ISOs -- let's say E:\ and F:\, respectively.

Run Setup.exe from the 21H2 ISO, but mention the "/InstallFrom" argument and point it to the 23H2 install.wim.

From admin Command Prompt:

• E:\setup.exe /installfrom "F:\sources\install.wim"
  

(or)

Option 2: First, upgrade to 21H2. And then upgrade to 23H2.

Run E:\Setup.exe and install the 21H2 version.

Once done, upgrade to 23H2 using the 23H2 ISO.

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See also:

• (Solved) Can't update to Windows 11: 0x80070002 error - Microsoft Community