In my case, I tried to install Monterey beta into a volume created in the Big Sur's APFS conainer.
https://gyazo.com/2f0275ed0d7b4f120a4d8cce8a854e99
At the time of restarting, it failed (waiting more than few miniutes after quiting visible apps). So I restarted myself.
After restarting, Big Sur is booted.
I tried to select the Monterey volume as the start up disk (System Preferences -> Startup Disk).
I got an error:
An error occurred while setting “Monterey” as the startup disk: The operation couldn’t be completed. (SDErrorDomain error 108.)
https://gyazo.com/427104df6897d5adc65d3222c2c95dfb
hiroshinotainc
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Update: In the review process of changing information of our Organization Developer Account, changing the address from USA to Japan, I received email from Apple Japan. I requested that I just want to get Universal App Quick Start Program Developer Transition Kit (DTK) in Japan despite the fact our head office is in the USA.
I hope it will work.
Thanks for you fellow Japanese developers :-)
I'm grad to hear that we can get it with Japanese address. I'll try to change country and region settings or something.
Please help me I only have 7 days left....
nota.gyazo.com/8cbad30bafe29038a93cc0722c08424f