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Not allowed to install Big Sur to, boot from, external drive?
I'm trying to install Big Sur on a separate, bootable drive. I did a google search and was told to format my external drive (USB3 SSD) with GUID partition. macOS installer recognized it as a drive to install on but then during the install process, after the required reboot, I received an error message saying that security settings do not allow a boot from an external drive. Any suggestions?
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Jul ’20