@florent I updated to build 16498 and followed your suggestion. Now it is showing that the connection is running and successful. I have a 2-day object lock enabled. In BackBlaze B2 Buckets once object lock is enabled you cannot disable it. You can change the days to lock to 0 but that will only affect new files. Existing files will be locked based on the Object lock settings applied when the file was saved. It appears that this is resolved. I will try to run a few backups to my BackBlaze buckets to see if it runs.

Thanks for your feedback @erlicthemad !

Its almost certainly goes through XOA. When I was moving from Esxi to XCP-NG I abandoned the process, then beefed up my XOA memory and CPU cores and it sped up marginally. That was a while ago, some of the VM's I had to use Clonezilla on (too large and kept failing). From what Ive read the migration tool has improved dramatically since then.