SonicWALL Stateful High Availability Upgrade for TZ300 and SOHO Series

This license upgrade enables Stateful High Availability on SonicWALL TZ300 and SOHO series appliances, eliminating a single point of failure by synchronizing sessions between two identical units in an active/passive configuration.

Highlights

• Session synchronization for seamless failover
• Network redundancy with active/passive failover
• Maintains security posture during failover
• Integrated with SonicOS for easy management

In daily use

When deployed on two identical SonicWALL appliances with matching firmware, this upgrade ensures continuous network availability. If the primary unit fails, the secondary takes over without dropping established connections, minimizing downtime for small to medium businesses.

Full specifications

• Product Type: License Upgrade
• License Feature: Stateful High Availability (HA)
• Supported Appliance Series: SonicWALL TZ300 Series, SonicWALL SOHO Series
• HA Mode: Active/Passive Failover
• Functionality: Session Synchronization, Network Redundancy
• Requirement: Two identical SonicWALL appliances, identical firmware versions
• Delivery Method: Electronic License
• Installation: Software/Firmware based activation
• Management: Integrated with SonicOS
• Target Environment: Small to Medium Business (SMB)
• Part Number: 01-SSC-0504

Final note

This upgrade is a cost-effective way to add business continuity to your SonicWALL deployment without changing hardware.