Guidewire Migration and Upgrade Overview Move a Guidewire deployment without losing policies, claims, integrations, or trust. Two related but distinct workflows: - Migration : on-prem InsuranceSuite → Guidewire Cloud (or one cloud tenant → another). Different infrastructure, different config-layer assumptions, different API surfaces. - Upgrade : in-place version bump (e.g., release → ). Same infrastructure, new code, new APIs, deprecated APIs to retire. Both are heavy lifts that go badly if executed without rehearsal. Five production failures this skill prevents: 1. Config reconciliation gaps…