Migrating to High Availability - an FSI success story

A large multinational financial services organization upgraded its long-outdated single Octopus Server deployment to a five-node High Availability cluster in a different Active Directory domain, addressing growing performance strain while minimizing risk to deployments across thousands of servers. Working with an Octopus Customer Engineer, the infrastructure team resolved detailed questions about database migration, shared storage, authentication, Tentacles, and DNS, then followed a phased, reversible migration plan with backups, maintenance mode, drained tasks, staged node installation, authentication and deployment testing, and delayed DNS and Active Directory activation. The successful transition enabled the organization to adopt a regular six-month upgrade cycle, maintain a complex environment with little support involvement, and illustrates how cautious teams can make major infrastructure changes more manageable through thorough planning, testing, checkpoints, and rollback options.

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