TLDR: If you're experiencing sysprep failures and struggling to find the cause, try uninstalling KB5043064.
Recently I had sysprep failures with 8-10 images (W10) across multiple tenants. There was always some Microsoft package causing the issue and with the errors below. Nothing I did seemed to fix it, and I stumbled across this post today Be wary of KB5043064 : r/sysadmin (reddit.com). I decided to give it a shot and uninstalled KB5043064. Of course, that did the trick and the sysprep completed without any errors.
- SYSPRP Package Microsoft.Winget.Source_2024.918.1818.30_neutral__8wekyb3d8bbwe was installed for a user, but not provisioned for all users. This package will not function properly in the sysprep image.
- SYSPRP Failed to remove apps for the current user: 0x80073cf2.
- SYSPRP Exit code of RemoveAllApps thread was 0x3cf2.
Edit on 9/20/24: It looks like this update installed on a lot of my AVD hosts too. I am seeing issues with the AppX service that I also noticed on the image VM during sysprep. I think this is breaking the Microsoft.AAD.BrokerPlugin which in turn is causing a lot of sign-in issues. This is on an AADS/MEDS deployment, so the behavior may be different in an EID joined deployment.
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