Maintain operational confidence across your Infoblox 1550-A deployment with a three-year grid upgrade maintenance term. Built for teams that need to extend platform life without losing support alignment, this service helps keep upgrade planning predictable and reduces exposure during long refresh cycles. For infrastructure organizations running critical DNS, DHCP, and IPAM services, maintenance coverage matters as much as the hardware itself. This offering supports a disciplined lifecycle strategy by preserving access to the upgrade path associated with the 1550-A grid environment. That makes it easier to coordinate change windows, budget support costs, and avoid the disruption that comes from running unsupported infrastructure. Choose this term when you need a clear maintenance horizon for a known platform footprint. It is a practical fit for enterprises standardizing on Infoblox and looking to protect service continuity while deferring a larger replacement decision.