I just updated all the hosts using the update manager and now the backup failed with
This was quite odd. First thing I tried was re-adding the VM inside the task which failed again.Checking the license for the source host 'xxx'
Failed to validate license for the VM "xxx".
Host with uuid "10201248-00b4-f9d9-9b22-003048f5af08" was not found
Although I was able to to browse the hosts and they also showed as licensed, I had to remove the whole vCenter from the Veeam server and re-add it which obviously deleted the backup task as well etc.
What would cause this issue ? Does this mean that every time we update the hosts (which might changed the build number) we'd have to re-create every task ?