Barracuda Email Security Gateway 600Vx Additional Core License

Increase capacity on a Barracuda Email Security Gateway 600Vx virtual appliance with an additional core subscription license. This license is designed for teams that need to scale email security processing in step with message volume, policy complexity, or tenant growth while keeping the existing virtual appliance in place. For enterprise mail environments, capacity planning is not optional. Additional core licensing gives infrastructure and security teams a clean way to expand the appliance footprint without changing the operational model. That helps preserve configuration consistency, simplify procurement, and avoid unnecessary platform migration when demand rises. This is a practical fit for organizations running centralized email security where throughput matters and licensing must track actual usage. It supports a measured expansion strategy: add capacity where needed, keep the deployment stable, and maintain control over cost as the environment grows.