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The operation can’t be completed because you don’t have the necessary permission.

When I try to execute a Black Magic Disk Speed Test, the message:


The operation can’t be completed because you don’t have the necessary permission.


I can't change permissions, when I try, the same message is shown [as below]


Any ideas to deal with this?



iMac 27″, macOS 12.6

Posted on Nov 11, 2022 5:03 AM

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Nov 13, 2022 1:23 PM in response to ELGINMEWS

Choose a folder within your home user folder.


Here are two Apple articles regarding the new drive layout and security measures Apple has employed for the macOS system volume:

About the read-only system volume in macOS Catalina or later - Apple Support (EG)


Signed system volume security in iOS, iPadOS, and macOS - Apple Support




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The operation can’t be completed because you don’t have the necessary permission.

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