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this post was submitted on 21 Jul 2024
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This is the best summary I could come up with:
Microsoft has released a recovery tool that’s designed to help IT admins repair Windows machines that were impacted by CrowdStrike’s faulty update that crashed 8.5 million Windows devices on Friday.
The tool creates a bootable USB drive that IT admins can use to help quickly recover impacted machines.
While CrowdStrike has issued an update to fix its software that led to millions of Blue Screen of Death errors, not all machines are able to automatically receive that fix.
Some IT admins have reported rebooting PCs multiple times will get the necessary update, but for others the only route is having to manually boot into Safe Mode and deleting the problematic CrowdStrike update file.
Microsoft’s recovery tool now makes this recovery process less manual, by booting into its Windows PE environment via USB, accessing the disk of the affected machine, and automatically deleting the problematic CrowdStrike file to allow the machine to boot properly.
This avoids having to boot into Safe Mode or a requirement of admin rights on the machine, because the tool is simply accessing the disk without booting into the local copy of Windows.
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This seems performative since you could already do this easily unless the drive was bitlockered and you didn't have a recovery key.
Many admins aren't technical enough to automate, they're going to boot a recovery image and delete the file by hand everywhere. This will definitely save effort, plus is something you can give to non technical people.