Does this work if you open your samba server in Nautilus ("Files")? Deja-dup just uses the same gvfs operations nautilus does. If it works there, it should work in deja-dup.
Does this work if you open your samba server in Nautilus ("Files")? Deja-dup just uses the same gvfs operations nautilus does. If it works there, it should work in deja-dup.