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Disk Utility on Monterey generates error when creating a disk image

The error message below appears when I attempted to create a disk image of a folder stored on an external disk. The exact same command worked when the folder was moved to an internal drive.



- Pie Lover


Posted on Oct 28, 2021 6:22 PM

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Posted on Oct 29, 2021 4:52 AM

Thanks for confirming your experience. As a workaround, try copying the external folder to an internal volume (I used the system volume) and then run the Disk Utility on the copy. The Disk Utility will create a disk image that should be identical to the one created using the utility in Big Sur (or earlier versions of macOS) using the folder on the external volume.


- Pie Lover

3 replies
Question marked as Best reply

Oct 29, 2021 4:52 AM in response to dialabrain

Thanks for confirming your experience. As a workaround, try copying the external folder to an internal volume (I used the system volume) and then run the Disk Utility on the copy. The Disk Utility will create a disk image that should be identical to the one created using the utility in Big Sur (or earlier versions of macOS) using the folder on the external volume.


- Pie Lover

Disk Utility on Monterey generates error when creating a disk image

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