How to Fix 'Volume is Encrypted' Error during OCLP Install

By Ufuk Durgun
0

Resolving FileVault Blocks in macOS Installer

If you see a message saying 'Installation is not possible because the volume is being encrypted' when trying to install Sequoia, FileVault is currently active and processing your disk.

The Fix:

  1. Check Status: Boot back into your current OS and go to System Settings > Privacy & Security > FileVault. If it says 'Encrypting...' or 'Decrypting...', you must wait for it to finish. This can take several hours.
  2. Disable FileVault: For the smoothest OCLP experience, it is recommended to turn FileVault OFF before performing a major OS upgrade.
  3. Wipe the Drive: If you don't need the data on that drive, boot from the OCLP USB, open Disk Utility, and 'Erase' the entire disk. This will remove the encryption and allow the installer to proceed.

Original Question: "Need help with Installation"

Need help with Installation

Hello everyone,
I followed a YouTube Tutorial but unfortunately when it came to installing Sequoia i was unable to select the Macintosh HD Volume. The message says the installation in this volume isn’t possible because the volume is being encrypted. Did I make a mistake and is there any way to fix this ?
Many thanks in advance :)

submitted by /u/Appropriate_Lion3630
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