I'm an Admin except in Sharing & Permissions for Harddrives

I'm the owner and only user of my laptop. I recently encountered an issue trying to use an application and got the error that I didn't have permission to grant it access to my disk. This prompted me to click on Macintosh HD in my Finder sidebar where I noticed my name User account in not listed under Sharing & Permissions. System (Read & Write), Wheel (Read Only), and Everyone (Read Only) are listed. When I try to add myself, it says, "The operation can’t be completed because you don’t have the necessary permission."

Same with my external SanDisk Extreme SSD.

Did something change?

MacBook Pro (M1, 2020)

Posted on Aug 16, 2023 6:58 PM

Best reply

Barney-15E

Level 10

112,836 points

Posted on Aug 16, 2023 7:21 PM

You cannot modify the top level of the startup drive. You actually don't have access to much of the system side of things. For the most part, users only have the ability to modify things under /Users.

Is there anything special about the external SSD like a startup drive or a Time Machine backup?

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I'm an Admin except in Sharing & Permissions for Harddrives

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