Modernize VB6 Applications at Scale with AWS Transform Custom

This article explains how to modernize legacy VB6 applications at scale using AWS Transform Custom, an AI-powered tool that creates reusable transformation definitions for converting VB6 code to modern C# ASP.NET Core applications.

• VB6 applications require architectural transformation beyond syntax translation to modern .NET patterns
• AWS Transform Custom uses agentic AI to learn and apply complex VB6-to-C# transformation patterns consistently
• Four-stage process: Assess portfolio, Define custom transformations, Execute at scale, Review and iterate
• Transformation definitions capture organization-specific business rules, coding standards, and architecture preferences
• Sample Salmon King Seafood application demonstrates converting 15+ VB6 forms, 3 modules, and ADO database access to Blazor
• Transformations convert VB6 forms to Blazor components, ADO to Entity Framework Core, and COM controls to modern alternatives
• Publish transformation definitions for team reuse across hundreds of applications
• Transformation commands can take up to 60 minutes depending on codebase size
• Post-transformation validation includes build success, functional equivalence testing, and manual remediation for edge cases

AWS Transform Custom enables systematic VB6 modernization while preserving institutional knowledge through reusable, continuously improving transformation definitions.