u/Frissianghost

I am confused about how immutable backups work in Veeam. We use wasabi object storage. The bucket has object lock enabled. I want 30 days of immutable backups.
The backup job has 30 days retention. The host is either proxmox/ hyper-v or vsphere esxi. We have a mix of v13 (windows version and appliance) and v12. The biggest issue is that i have is that the onsite backup has a size of 1.6tb and the offsite (wasabi) is 3tb

Could it also be a v12 issue?