Upgrading a Full High Availability Cluster

Important - After you upgrade a Full High Availability Cluster Two or more Security Gateways that work together in a redundant configuration - High Availability, or Load Sharing. to R81.20, you must establish the Secure Internal Communication (SIC Secure Internal Communication. The Check Point proprietary mechanism with which Check Point computers that run Check Point software authenticate each other over SSL, for secure communication. This authentication is based on the certificates issued by the ICA on a Check Point Management Server.) again between the Full High Availability Cluster Member Security Gateway that is part of a cluster. that runs the Primary Security Management Server Dedicated Check Point server that runs Check Point software to manage the objects and policies in a Check Point environment within a single management Domain. Synonym: Single-Domain Security Management Server. and the Full High Availability Cluster Member that runs the Secondary Security Management Server Check Point Single-Domain Security Management Server or a Multi-Domain Security Management Server..