1. Define the operating modelDocument processes, sites, users, KPIs, roles, mandatory controls and future-state ownership.
2. Confirm architectureValidate edition/module scope, deployment model, security, environments, availability, backup and recovery responsibilities.
3. Configure & integrateTranslate the operating model into controlled configuration, master data, workflows and monitored interfaces.
4. Migrate & reconcileRehearse migration with mapping, cleansing, record counts and business reconciliation.
5. Accept the configured solutionRun normal, exception, security, integration, performance and recovery scenarios with retained evidence.
6. Cut over & stabilizeUse rollback criteria, BCP, hypercare, monitoring, support escalation and post-go-live KPI review.