enable Delta File Transfer for a backup selection
Delta File Transfer is
off by default. However, you can enable it for a given backup
See About Delta File
In addition, if a
maintenance server manages file servers that are on a target other
than itself, the maintenance server must be configured for
See Configuring a
maintenance server for delegation.
Delta File Transfer can
also be selected as the default compression type. If the default
compression setting is changed to Delta, all new backup selections
use Delta compression by default.
default DLO settings.