There are ways to retrieve this for your specific machine... I can’t give you much more than that right now, but an internet search helped me out. I think it has to do with signing into to a microsoft account and looking up the mac address of the machine.
I do want to find a way to disable this ‘security’ mechanism, though.
Yes, iirc something like https://asm.ms.
However coming at me unexpectedly, the questions I have are
1. Is this a spoof site from a virus I inadvertently picked up?
2. Why do I even have to do this if I have no recollection of requesting c drive encryption in the first place?
3. Why is this not somehow automated?
4. Why is there no mindless flowchart procedure for recovery which involves bitlocker?