capacity-recovery · 2026-04-22 · 10 min read

SAP ECC End of Support 2027: The Capacity Crisis Behind the Migration Deadline

SAP ends ECC mainstream support December 2027. 39% of customers haven't started migrating. The real obstacle isn't the timeline — it's the 35-45% capacity tax on the team expected to execute it.

  • SAP ECC
  • S/4HANA Migration
  • ERP Support Deadline
  • IT Capacity
  • Enterprise IT

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/sap-2027-deadline-capacity-crisis.

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.