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Windows 10 In Place Upgrade?

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Andrew Gresbach

working through some windows 10 20h2 CU update issues (fails at 98% at the post reboot step) and running out of ideas.   it was suggested that we try an in place upgrade to reinstall the OS/ keep files and apps.  curious how i can do this w/ pdq?  i know its probably similar to doing a Win10 upgrade w/ the setup.exe but just not sure the silent triggers for this specific need to make sure it selects keep all files and apps, etc

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    Andrew Gresbach

    or i wonder if i just use my existing package that we use to upgrade from 1909 to 20h2 using the same 20h2 media?

     

    /auto Upgrade /quiet /Compat IgnoreWarning /showoobe none /DynamicUpdate Enable /Telemetry Disable /MigrateDrivers All

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    Mike Kercher

    I used the same package and just replaced the extracted media from a 21H1 version and haven't been having any issues.

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    Mike Kercher

    Actually, my command is a little different:

    /auto Upgrade /quiet /Compat IgnoreWarning /showoobe none /DynamicUpdate Disable /Telemetry Disable /MigrateDrivers All

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    Andrew Gresbach

    i was just looking at the dynamicupdate trigger......if thats set to enabled and i'm using the 20h2 media, would that upgrade it to 21h2?....ultimately what i'm hoping to do is run an in place upgrade w/ the 20h2 media to reinstall the same 20h2 version but get the latest cumulative update (part of the issue i'm told)

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    Mike Kercher

    I don't think it would upgrade to 21H2.  For the latest CU, I do the in-place upgrade first, let that complete and then either have an additional step to install the latest Windows Updates auto-package, or do it as a separate deployment.

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    Andrew Gresbach

    i thought about that too.......so the main issue here is any CU recently installs initially but the post install reboot get to 98% and then goes into cannot install, undoing changes for 30 min.   wondering if the suggestion for an inplace upgrade makes the cu install properly in that step.   

    so is it safe to assume setting /dynamicupdate to enabled would just go out to pull down the latest windows patches for that feature update (taking longer of course).    wanting to stick on 20h2 for sure

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    Mike Kercher

    According to Microsoft, DynamicUpdate would install the latest CU:

    What is updated by Dynamic Update?

    There are several core components that can be updated by Dynamic Update, including:

    • Setup DU: Fixes to Setup binaries or any files that Setup uses for feature updates.
    • SafeOS DU: Fixes for the ‘safe OS’ that we use to update Windows recovery environment (WinRE).
    • Servicing Stack Update (SSU)/Critical DU: Fixes that are necessary to address the Windows 10 servicing stack issue and thus required to complete the feature update.
    • Latest Cumulative Update (LCU)/General Distribution Release (GDR) DU: Installs the latest cumulative quality update.
    • Language Pack (LP) and Feature On Demand (FOD) DU: Preserves users’ installed language packs and optional features by reinstalling them.
    • Driver DU: Latest version of applicable drivers that have been already published by manufacturers (OEMs and/or IHVs) into Windows Update and specifically targeted for Dynamic Update.
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    Andrew Gresbach

    just was reading the same thing! thank you for the help here. only one way to find out i guess!

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