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43 | Configuring a Stateful HA Pair
You must purchase a single set of security services licenses for
the HA Primary appliance. To use Stateful HA, you must first
activate the Stateful High Availability Upgrade license for the
primary unit in SonicOS. This is automatic if the appliance is
connected to the Internet. See the Registering and Licensing
Your Appliance on MySonicWALL section, on page 20.
License synchronization is used during HA so that the
secondary appliance can maintain the same level of network
protection provided before the failover. To enable HA, you can
use the SonicOS UI to configure your two appliances as a HA
pair in Active/Idle mode.
MySonicWALL provides several methods of associating the two
appliances. You can start by registering a new appliance, and
then choosing an already-registered unit to associate it with.
You can associate two units that are both already registered.
Or, you can select a registered unit and then add a new
appliance with which to associate it.
Note: After registering new Dell SonicWALL appliances on
MySonicWALL, you must also register each appliance
from the SonicOS management interface by logging
into the unique IP address assigned on the High
Availability > Monitoring page and then clicking the
registration link on the System > Status page. This
allows each unit to synchronize with the license server
and share licenses with the associated appliance.
Associating Pre-Registered Appliances
To associate two already-registered Dell SonicWALL security
appliances so that they can use HA license synchronization,
perform the following steps:
1. Login to MySonicWALL.
2. In the left navigation bar, click My Products.
3. On the My Products page, under Registered Products,
scroll down to find the appliance that you want to use as
the parent, or primary, unit. Click the product name or
serial number.
4. On the Service Management - Associated Products page,
scroll down to the Associated Products section.
5. Under Associated Products, click HF Secondary.
6. On the My Product - Associated Products page, in the text
boxes under Associate New Products, type the serial
number and the friendly name of the appliance that you
want to associate as the child/secondary unit.