Rewriting never works, the canonical writeup on that is https://www.joelonsoftware.com/2000/04/06/things-you-should-never-do-part-i/ https://www.joelonsoftware.

Rewriting never works, the canonical writeup on that is https://www.joelonsoftware.com/2000/04/06/things-you-should-never-do-part-i/ https://www.joelonsoftware.com/2000/04/06/things-you-should-... You just need to tackle things incrementally, and communicate some honest, tough truths: * If it took a couple of years to make the mess, it will probably take at least that long to clean up. Hopefully all the customers and business won while accumulating this tech debt was worth it. * The organization needs to be ready for change. If people want to keep on operating the same way, rushing in changes, skipping unit tests, then things will keep on getting worse. People need to understand that continuing to operate like that will lead to more crashes/outages, less reliability, inability to win new business, etc.