When we were planning to upgrade from SAP ECC6 EHP8 to S/4HANA 2023 we gather all necessary tools, files, and documentation in advance.
Must-Have Tools - atleast to my experience
Download and check if these are available
Maintenance Planner – Helps design your upgrade path and generates stack XML files.
Software Update Manager (SUM) – Facilitates the technical migration and database switch.
Simplification Item Check Tool – Identifies outdated or incompatible features.
SAP Readiness Check – Evaluates system health, custom code, and data volumes.
Custom Code Migration Utility – Assists in adapting ABAP code for S/4HANA.
SAP Note Analyzer – Automates downloading and applying required SAP Notes.
SAP Notes that was most relevant based on master guide and other installation sources
| Note Number | Description |
|---|---|
| 2596411 | Conversion guide for S/4HANA |
| 2974663 | Details on simplification checks |
| 2502552 | SUM tool usage for conversion |
| 3081996 | Maintenance Planner setup |
| 2214409 | Custom code migration steps |
| 3059197 | S/4HANA 2023 release info |
| 2925563 | Readiness Check instructions |
Software that is required at that time,
Make sure to download:
S/4HANA 2023 installation files – Including kernel, database, and core components.
SAP GUI and Fiori front-end packages – For post-upgrade access and testing.
Language packs and industry-specific add-ons – If applicable to your ECC setup.
Testing & QA is required and don't miss it.
Data validation tools – For post-conversion consistency checks.
Test scripts and scenarios – Reuse your ECC test cases in the new system.
Documentation to Keep in case when done in DEV system which can be used as a reference.
Download guides and references such as:
S/4HANA 2023 conversion manuals
Migration roadmaps
Step-by-step upgrade instructions
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