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Study Overview
SAP ECC mainstream support ends in 2027, and most SAP customers are carrying large volumes of custom code into SAP S/4HANA. Remediating that code manually can consume tens of thousands of developer hours, stretch timelines, and raise the risk of business disruption.
smartShift commissioned Forrester Consulting to measure what automation changes. Forrester built a composite organization with $60 billion in revenue, 150,000 custom ABAP objects, and 7 million lines of custom code, then modeled its costs, benefits, and risks over three years.
What You’ll Learn
The Full Three-Year ROI Model
See how Forrester arrived at 254% ROI, $10.5M in net present value, and payback in under six months.
The Cost of Manual Remediation
Understand how many developer hours manual custom code remediation would have required, and what avoiding them was worth.
How Much Custom Code Can Be Retired
Learn how the composite identified 25% of its custom code as unused or redundant and avoided $3.5M in ongoing maintenance.
What Dual Maintenance Saves
See how Dual Maintenance reduced the developer effort required to keep ECC and S/4HANA in sync by 30%.
Why Timelines Got Shorter
Find out how removing the custom code bottleneck accelerated the S/4HANA transformation by six months.
The Path to Clean Core
Hear how customers used code visibility, standardization, and decommissioning to move closer to a Clean Core.