For a successful SAP S/4HANA conversion project, several preparatory checks must be executed directly on the source SAP ECC system. The SAP Readiness Check provides a comprehensive dashboard view of the system's readiness, covering simplification items, custom code, add-on compatibility, and sizing. The Simplification Item-Check is a mandatory technical step that identifies required data consistency checks and other obligatory preparation activities that must be resolved before the conversion. The Custom Code Check, typically run using the ABAP Test Cockpit (ATC), analyzes custom developments for compatibility with the SAP S/4HANA data model, architecture, and syntax, which is crucial for estimating the remediation effort. These three checks are fundamental to the "Prepare" phase of the conversion.

B. Global Performance Analysis: This is a general system optimization task, not a specific, mandatory check for planning the technical conversion to SAP S/4HANA.

C. Authority Check: This is a standard ABAP statement used within code for runtime authorization verification, not a standalone analysis tool for conversion planning.

1. SAP Help Portal

Conversion Guide for SAP S/4HANA 2023: In the section "Prepare Phase

" the guide explicitly details the execution of the SAP Readiness Check

Simplification Item Check

and Custom Code Analysis as essential activities to be performed on the source system. (See Chapter 3: "The Conversion Process

" subsection "Prepare Phase").

2. SAP Note 2913617 - SAP Readiness Check for SAP S/4HANA: This central note describes the purpose and setup of the SAP Readiness Check tool

confirming it is implemented and executed on the productive SAP ERP 6.0 system to gather data for conversion planning.

3. SAP Note 2399707 - Simplification Item-Check: This note details the Simplification Item-Check framework

stating it must be run in the source system before starting the conversion to identify and resolve data inconsistencies related to Simplification Items.

4. SAP Help Portal

Custom Code Migration Guide for SAP S/4HANA 2023: The guide outlines the process for custom code analysis. It specifies setting up the ABAP Test Cockpit (ATC) on the source ECC system (or a central check system connected to it) to perform static code checks for SAP S/4HANA readiness. (See Chapter 2: "Custom Code Migration Process

" section "Detect Custom Code Issues").