Barracuda Networks NG FIREWALL 5.0.3 Release Notes page 14

Before beginning the updating process, you should clarify which types of hardware and administrative
configuration you have.
Barracuda NG Firewall 5.0.3 and its predecessors allow different administrative configurations. Please
follow those update instructions that apply to your configuration
Table 2–9
Different Administrative Configurations
Administrative Configuration Type
Unmanaged Unit or NG Control Center
NG Control Center Managed Unit
Unit or NG Control Center
Combined with HA Unit
14 Release and Migration Notes - Determine Your Update Scenario
Applicable Update Instructions
If you want to update either an unmanaged unit or an
NG Control Center, then proceed to
Unmanaged Units or NG Control Centers, page
If you want to update a unit that is managed by an NG
Control Center. then proceed to
Center Managed Units, page
If you want to update a unit or an NG Control Center
that is combined with a High Availability (HA) unit,
Updating HA-Synced Units or
then proceed to
HA-Synced NG Control Centers, page
Updating
15.
Updating NG Control
18.
16.