I’m having the same issue as discussed in the below conversation but my setup is a little bit different.
I am using a NAS clientinstead of a file system agent. Some of the sub-clients are greyed out and I see this is because the OnePass check box was checked (Archiving is not set). On unchecking it, the ‘Full’ backup option is still greyed out.
This only applies to the sub-clients that had the OnePass checkbox enabled.
There is another NAs client configured to the same shares which handles the Archiving jobs, but don’t think this would cause the issue as I can run Fulls on the unchecked sub-clients.
There is no option to set ‘Object Based Retention on this type of backup configuration, so not sure what else could be causing this issue?