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  1. #1
    New Lounger
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    WIN10 upgrade: Does not keep EFS access?

    I upgrade a Win7 system to Win10 this week, and today I find that the one folder I kept encrypted with EFS is now full of folders that are locked, which I cannot access.

    It is the same machine, same user account, only change being that the OS was upgraded. And I would have thought it would KEEP ACCESS to all the files that I had access to.

    Do I have to downgrade, copy them off, upgrade again? Or dig out the EFS key and decrypt them all that way?

  2. #2
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    If you haven't exported the encryption certificate before the upgrade it's dig out the key.
    http://superuser.com/questions/99277...ncrypted-files

    cheers, Paul

  3. #3
    New Lounger
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    Thank you, Paul. that folder was encrypted years ago and I'm afraid I put the certificate "somewhere safe", which I've no memory of now. Is the key, the actual .pfx file, to be (by default) also somewhere on the original drive? (Which I backed up and imaged before doing the upgrade, suspecting I'd need it again.)

  4. #4
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    This page has nice instructions.
    http://support.2brightsparks.com/kno...m-certificates

    cheers, Paul

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