“BiErrorDomain Error 2” upgrade to Big Sur

[Anubis111]

Cannot start upgrade (smbios iMac 18.1) from Catalina to Big Sur. Cannot choose the partition on my ssd (nor any other hdd). The setup shows “BiErrorDomain Error 2”. Any advice, please?

 

[Feartech]

Cannot start upgrade (smbios iMac 18.1) from Catalina to Big Sur. Cannot choose the partition on my ssd (nor any other hdd). The setup shows “BiErrorDomain Error 2”. Any advice, please?

not a guide!

i have moved your post to desktop support

make sure to use latest OpenCore

 

[Anubis111]

not a guide!

i have moved your post to desktop support

make sure to use latest OpenCore

Ok, sorry.