Microsoft ended mainstream support for VB6 long ago. While the runtime lingers on in Windows 11 for compatibility, the development environment is frozen in time. Consequently, IT leaders face a stark choice: rewrite everything from scratch or find a .
These partners use tools to turn Dim i as Integer into int i; . The result runs on .NET but still feels like VB6. It rarely leverages modern patterns (async/await, LINQ, inheritance). Best for: Short-term emergency patches. visual basic migration partner
But not all partners are equal. Choosing the wrong one can lead to budget overruns, data corruption, or a "lift and shift" that merely ports bugs to a new language. A true migration partner differs from a standard software agency. A general agency hears "VB6" and proposes a full rewrite—six figures, 12 months, and a new architecture that ignores the business logic buried in the old code. Microsoft ended mainstream support for VB6 long ago
They use migration as a Trojan horse to refactor. They convert forms to MVC or Blazor, separate UI from logic, and introduce dependency injection. Best for: Systems needing a 5–10 year lifespan. These partners use tools to turn Dim i
The gold standard. They use sophisticated parsers (like VBMigration or custom Roslyn analyzers) to convert 80-90% of the code automatically, then finish the UI and data access layers manually. Best for: Mission-critical ERP or finance apps. The Hidden Cost: Data and State Most articles ignore this: VB6 applications often rely on stateful forms and global variables. A poor migration partner will replicate this global state, creating threading nightmares in modern .NET.
It crashed every Tuesday at 2 PM. The cause? The original VB6 used a Timer control for a background process. The converter translated it to a Windows Forms Timer , which runs on the UI thread. The partner never refactored it to a BackgroundWorker or Task . The result: frozen screens and corrupted pick-lists.
A Visual Basic Migration Partner is not a luxury; it is a risk management tool. The right partner does not just speak VB6—they speak modern architecture, automated regression testing, and threading safety. Choose carefully, because your business logic deserves more than a syntax swap. Looking for a partner? Start by asking for their automation rate (percentage of code converted without manual edits). If it’s below 70%, keep searching.