Convergence Architecture in M&A: A Strategic Playbook for System Domain Mapping and Target-State Migration Roadmaps

Executing successful post-merger IT integrations requires a rigorous framework for mapping system domains, standardizing architectural components, and building phased target-state roadmaps. Strategic acquirers focus on identity federation, cloud landing zones, and API middleware early to protect operations while capturing projected cost synergies. Which system domain in your recent M&A transactions created the highest degree of operational friction during target-state convergence execution?