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I'm trying to install guest additions on BigSur on a virtual machine. I'm following this guideline: https://stackoverflow.com/questions/41691803/how-to-install-guest-addition-in-mac-os-as-guest-and-windows-machine-as-host but the command to access recovery mode gives me operation not permitted:

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There is a way to access recovery mode from a virtual box machine maybe simulating cmd+r inserting? Or there is another way to install guest additions?

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  • What do the support pages for VirtualBox recommend? – nohillside Nov 25 '20 at 20:40
  • @nohillside I found nothing from virtualbox documentation – Virgula Nov 25 '20 at 20:47
  • There is a rather active community forum at forums.virtualbox.org/… – nohillside Nov 25 '20 at 21:00
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    and it could be that they don't have a guest additions package compatible with macOS 11 or that even VBox itself is not fully compatible. Your best bet on this is in the VBox forums like @nohillside mentioned. – Steve Chambers Nov 25 '20 at 21:12
  • I'll try thank you – Virgula Nov 25 '20 at 21:14

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