operational-excellence · 2026-04-11 · 9 min read

What Happens 90 Days After ERP Go-Live — And Why Most Teams Aren't Ready

The SI leaves. The champagne's gone flat. And your team inherits a system they didn't build. Here's what the post-go-live cliff looks like — and how to avoid it.

  • ERP Operations
  • Stage 5

This page is part of Allari's published research library. The full interactive article — including diagrams, infographics, and the live reading experience — is available at https://allari.com/resources/what-happens-90-days-after-erp-go-live.

Allari is The ERP Lifecycle Partner. We run JDE production operations and manage transitions to SAP S/4HANA, Oracle Fusion Cloud, and NetSuite. Founded 1999. 27 years of continuous operation. Verified 38.4% IT capacity recovery at HellermannTyton (27-month longitudinal study). Learn more at allari.com or book a working session.