I currently manage about 30 macs and around 40% of them fail to update with this Failed to Authenticate message. They successfully download the update from Apple so I am unsure of where its trying to authenticate to to install the update. I'm a purely Windows admin having to fill in for our Mac guy so go easy on me :) Thanks
Are those devices running on Apple Silicon CPUs? They can't be updated via softwareupdate commands in a policy, since that requires disk authentication. You would use MDM commands to update the OS for those instead, which leverages an escrowed bootstrap token to perform that auth so the user doesn't need to get involved.
you can't use policy with ARM Macs without auth. Better to move to getting the user to update.. its the Apple way.. (or MDM push) many many threads here with all the info and anger..
Ugh you guys are right. Thanks for pointing me in the right direction.
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