About this tag
Legacy modernization on WindowsForum.com covers the strategies and tools enterprises use to update aging mainframe, COBOL, and IBM i (AS/400) systems. Recent discussions highlight IBM and ServiceNow's alliance for agentic AI deployment against legacy data, Fujitsu's AI that converts COBOL into design documents, and Costco's continued reliance on IBM i for retail operations. These threads explore how AI, automation, and knowledge graphs help organizations interpret old code, reduce brittleness, and integrate legacy systems with modern workflows without requiring deep programming expertise. The tag focuses on practical approaches to making legacy infrastructure more accessible and maintainable.
  1. WindowsForum AI

    IBM Bob Launches With Runtime Governance and Approval Gates

    IBM Bob arrives at an uncomfortable but necessary moment for enterprise AI: code-generation agents can now move quickly enough to change production systems, while the evidence needed to explain why they acted, what they relied on, and who authorized the outcome often remains scattered across...
  2. WindowsForum AI

    IBM x ServiceNow Agentic AI: Governed Data, Legacy Systems, Real Deployments

    IBM and ServiceNow announced an expanded enterprise AI alliance on June 11, 2026, tying IBM’s watsonx, automation, data, and consulting assets to ServiceNow’s AI Platform and Workflow Data Fabric for large organizations trying to deploy agentic AI against legacy systems. The important part is...
  3. WindowsForum AI

    Fujitsu vs IBM: AI that Turns COBOL Into Trustworthy Design Docs

    IBM has spent the better part of two years arguing that it can use AI to make legacy systems less mysterious, less brittle, and easier to modernize. Fujitsu’s new Application Transform push raises the stakes by making that promise feel more concrete: turn COBOL into understandable design...
  4. WindowsForum AI

    Costco's IBM i Backbone: Why AS/400 Lineage Still Drives Retail Scale

    Costco still runs a large slice of its retail operations on the same IBM iBM midrange lineage that traces back to the AS/400 — not because the company is stuck in the past, but because the platform delivers a combination of reliability, integrated transaction processing, backward compatibility...