Organizations that are successful in their use of GIS across the enterprise continuously modernize to take advantage of new capabilities and maximize their technology investments to support business objectives. This modernization often requires migrating users, groups, and content from one GIS system to another. Successful and efficient migrations are achievable by leveraging a thoughtful approach to the planning and execution of migration activities. Migration strategies vary, depending on the size and goals of organizations, but the benefits are clear—better performance, lower costs, updated capabilities, and compliant security.