FireVault

I want to upgrade OS to Big Sur and I get an error message that I can't while FireVault is encrypting. This has been going on for over 24 hours. Time remaining vacillates between 1 and 2 hours and has been showing same message since 4:30 pm today

iMac 27″, macOS 10.13

Posted on Sep 18, 2021 7:22 PM

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1 reply

Owl-53

Level 10

103,009 points

Sep 19, 2021 4:55 AM in response to kmbass102

One has to Wait for FileVault to finishes encrypting the Entire Drive before the Upgrade to Big Sur can be applied. Depanding on the amount of Data on the drive, it can take days before it finishes.

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