Go-live gate
Owner і scope: executive sponsor, accountable process owner, named data та security owners, bounded first release, success metrics, budget, timeline, exclusions і go/no-go authority.
Process і data: current та target flows, normal і exception states, approvals, data dictionary, deduplication, units, opening balances, archive, reconciliation, integration contracts і authority map.
People і operation: role-based training, support routes, cutover rehearsal, rollback criteria, monitoring, backups, exports, incident runbooks, vendor escalation і post-launch product team.