Practitioner notes on moving old systems safely
September 9, 2026 · Relicbridge
How to move the first module of a Visual Basic 6 desktop application onto .NET 8 while the VB6 executable keeps running: pick the seam, host the new code as a COM object, and prove it with a characterization harness.
Read moreSeptember 9, 2026 · Relicbridge
A step-by-step way to move a Microsoft Access line-of-business system onto SQL Server while the Access front end keeps running, so the .NET 8 rebuild can start on a stable data tier.
Read moreSeptember 9, 2026 · Relicbridge
How to build the reverse proxy a strangler migration cuts over behind: a YARP host on .NET 8 in front of WebForms or Classic ASP, the pass-through breakages, shared login, and a rehearsed rollback.
Read moreSeptember 9, 2026 · Relicbridge
A working pattern for letting AI agents read and write through a VB6, Classic ASP or Access-era module: a documented API first, then an MCP server with scoping, allow-listed writes, an audit log and a concurrency guard.
Read moreSeptember 9, 2026 · Relicbridge
A step-by-step way to get DBF and FPT tables into SQL Server while the FoxPro application keeps running: land the data as-is, fix the type traps FoxPro has and SQL Server does not, and prove parity with a reconciliation script before anything cuts over.
Read more