File History Clean-up post 20H2

Alan Cameron 76 Reputation points

I am having a problem with file history. If I go to advanced settings and click on Clean-up versions no matter what term I enter, including 'all but the latest one', I get a message:- Could not clean-up File History - Element not found.
I am using a NAS share mapped as a drive letter as the destination for the File History.
The mapped drive responds to the file explorer, displaying the contents of the File History correctly as far as I can tell.
I have seen a previous question about this problem which is now closed, In which there is a reference to repairing the the O/S but refers to a specific KB patch which refers to a build version prior to 20H2 which is what I have updated to.
Can I assume that that patch is embedded in the 20H2 version of Windows 10 Pro?
Is there any easy way to resolve the problem?

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
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  1. Jenny Feng 13,816 Reputation points


    I suggest you download the media creation tool & double-click it to run, then choose to upgrade this PC now.

    In addition, here are some posts with the similar issue with yours, just for your reference, you can try the method mentioned in them:

    Hope above information can help you.

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  2. S.Sengupta 7,601 Reputation points MVP

    Open a command prompt and run

    FhManagew.exe -cleanup 90 (90 would indicate to delete backups older than 90 days old)
    FhManagew.exe -cleanup 90 -quiet

    If you specify "0" that would mean to delete all but the most recent backup.