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How to obtain KB4534271 to download to fix missing Catalogs blocking Hyper-V installation when it is not in Updates Catalog

I have been using SFC and DISM to make sure my server has completely correctly setup and now, after many runs and reruns, find it is still missing Catalogs for KB4534271 (this seems to be a known issue from other posts about the issue of Hyper-V feature installs not working).

Although this KB is documented January 14, 2020—KB4534271 (OS Build 14393.3443) (microsoft.com) it is not found in the Microsoft Update Catalog, even from the link on the KB documentation page https://www.catalog.update.microsoft.com/Search.aspx?q=KB4534271

How can I get access to the MSU so that I used DISM to add the package back in to hopefully fix the Hyper-V install block?

I suspect it is also causing DISM /Online /Cleanup-Image /RestoreHealth to come back with the Error 14, as I have made sure that there is enough space (54GB) and also used set the ScratchFolder to a disk with even more space (378GB) just in case - in all these cases it comes back with Error 14.

windows-server-2016windows-server-essentials
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TeemoTang-MSFT avatar image
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TeemoTang-MSFT answered AndrewMacaulay commented

The later Windows update will include the content of previous update, since January 14, 2020—KB4534271 is too early to get, you could just install the latest SSU and the latest CU to update server 2016.
KB5001078: Servicing stack update for Windows 10, version 1607: February 12, 2021
https://support.microsoft.com/en-us/topic/kb5001078-servicing-stack-update-for-windows-10-version-1607-february-12-2021-3e19bfd1-7711-48a8-978b-ce3620ec6362
Please note: after install SSU, your computer needs a restart to install CU continuously.
March 9, 2021—KB5000803 (OS Build 14393.4283)
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000803


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Thanks and Ok, I hadn't considered this as all the instructions I had found pointed at getting the specific KB. I'll see what the first one after this KB that is still available for download is, and try that to see if the DISM /Online /Add-Package process works with this to fix the problem, I'll update after I've tried it.

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So the DISM /Online /Add-Package process worked, but it has not fixed the issue blocking Hyper-V installation :-(

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