Windows 10 LTSC 21H2 updates procedure post-EOL (End Of Life)

Carlo said:
Thanks abbodi86, could you explain how it's done? I don't think I've ever used this procedure.
Click to expand...
long story short - grab a free virtualization software such as virtualbox

create a virtual machine with .vhdx drive

install OS from iso

when you're about to go into OOBE after setup completes, hit CTRL+SHIFT+F3.

then after some time you will log in as administrator, with a sysprep windows visible - don't close it yet

run Windows Update as normal, perform reboot, dism cleanup if you wish

then set sysprep to enter OOBE, tick generalize and shutdown option to shutdown.


when all is complete you can then use vhdx drive - mount it directly in drive manager as read only and assignt it a letter

use dism /Capture-Image /Compress:max /ImageFile:d:\your_wim_file.wim /CaptureDir:<letter of vhdx drive>:\ /Name:"My super Windows"


this is applicable for single edition, if you have multi edition images you need to repeat that for each image....
 
marplo said:
long story short - grab a free virtualization software such as virtualbox

create a virtual machine with .vhdx drive

install OS from iso

when you're about to go into OOBE after setup completes, hit CTRL+SHIFT+F3.

then after some time you will log in as administrator, with a sysprep windows visible - don't close it yet

run Windows Update as normal, perform reboot, dism cleanup if you wish

then set sysprep to enter OOBE, tick generalize and shutdown option to shutdown.


when all is complete you can then use vhdx drive - mount it directly in drive manager as read only and assignt it a letter

use dism /Capture-Image /Compress:max /ImageFile:d:\your_wim_file.wim /CaptureDir:<letter of vhdx drive>:\ /Name:"My super Windows"


this is applicable for single edition, if you have multi edition images you need to repeat that for each image....
Click to expand...
Thank you so much. I learned a new procedure. I'll try it. Thanks again.
 
When would you go into OOBE?

EDIT: Never mind, I saw this:

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EDIT:: I'm sorry, I'm very sorry, but can you explain what the VHDX drive is? I assume that you use D:\ for this example, but that's all I know. Is it from the directory that you use NTLite to customise Windows 10? I would like to know.

EDIT: OK, let me try to figure this out: you would have to:

1. Save an ISO image of Windows 10 to VHD or VHDX.
2. Mount it in Disk Management.

Did I get it right?

EDIT: OK, I just figured out that Disk Management creates VHDs/VHDXs. Thank you for the information and apologies for the series of edits.

I'll just do it now.

By the way, Carlo , were you able to update your Windows 10 image?

EDIT: Here's my latest question: if I have multiple editions, how would I go about repeating the last step on each edition if they're under the same filename. Say the editions were named "Edition 1" and "Edition 2." How would I go about doing it?
 
Last edited:
OK, reporting back after doing an Audit Mode update.

Happy to report that it works... for now.

Thank you to abbodi86 and marplo for suggesting it and explaining it respectively.
 
So...

Does NTLite already support adding the following updates???

1) 2025-11 Security Update for Windows 10 Version 22H2 for x64-based Systems (KB5072653)
2) 2025-12 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5071546)
 
ddlnegocios said:
Does NTLite already support adding the following updates???

1) 2025-11 Security Update for Windows 10 Version 22H2 for x64-based Systems (KB5072653)
2) 2025-12 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5071546)
Click to expand...
NTLite will never support adding ESU updates to an image. You can search online for an abbodi1406 script which can integrate those W10 ESU updates, because it involves hacking the Windows image.

To avoid DMCA issues, NTLite won't help you bypass the ESU process since ESU operates as a licensed feature.
 
marplo - This worked a treat using MS Hyper V and I was able to service and capture Windows 10 LTSC 2021(21H2) and Windows 11 LTSC 24H2. Notes:
  • You need to be on a device with a OS version at or higher than the WIM you are attmpting to capture
  • Remember to turn off Bitlocker if using a Gen2 VM (req'd for Windows 11) prior to Sysprep
Hope this helps some others - Really annoyed with MS breaking our ability to service LTSC WIMs offline......
 
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