KB5041054 Install on Server 2022 Failed, Repair Not Possible

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I don’t see a Windows Server forum here? Posting in the equivalent Win11 forum.

Just a heads up for server admins:  KB5041054 apparently cannot be uninstalled from Repair mode if it fails, which it did for me on one machine (Server 2022 21H2). Be prepared to do a full disaster recovery restore if the patch does not install. Blogged here:

https://www.mcbsys.com/blog/2024/06/kb5041054-install-on-server-2022-failed-repair-not-possible/

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mcbsys wrote:

I don’t see a Windows Server forum here?

https://www.askwoody.com/forums/forum/admin/

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Alex5723 wrote:

mcbsys wrote:

I don’t see a Windows Server forum here?

https://www.askwoody.com/forums/forum/admin/

Yeah I saw that, but then read the description asking not to put new posts there.

“Archive of unsorted posts – please post in the categories above.”

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Let me review the categories.  Did you try a dism at the command line?  Or a mere reboot?

Susan Bradley Patch Lady/Prudent patcher

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Susan Bradley wrote:

Let me review the categories.  Did you try a dism at the command line?  Or a mere reboot?

Thanks for moving this post. I had missed this category.

Several reboots always landed me in Repair mode. Opened command prompt. Tried the recommended DISM /online /get-packages, but /online that doesn’t work from Windows PE. I got the package ID from another server that had successfully applied the patch, tried it with dism /remove-package and got “The remove-package option is unknown.”

Hence my deductions:

1. Per Microsoft, only dism /remove-package can uninstall the CU.
2. remove-package isn’t available in Windows PE.
3. So you can’t use Repair mode to remove this patch if it fails.
4. Break out the bare-metal restore.

There are a couple screen shots in my blog post.

If there is a way to remove a patch like this in Repair mode, I’d like to learn how!

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