Technical Checks After System Conversion to S/4 HANA
Below table contains a list of technical checks after system update/migration to SAP S/4HANA. These activities are mandatory to validate the update/installation is technically consistent and S/4HANA conversion is successful from a technical point of view.
| Activity | Details | Expected Outcome |
| Component Version Check | Select System → Status Check Component Information | Update successfully completed. Component S4CORE should be available. |
| License Check | Execute TA SLICENSE | SAP License should be valid |
| System Change Options | Execute TA SE06 | Update as before the migration |
| Client Change Options | Execute TA SCC4 | Update as before the migration |
| System Consistency Check | Execute TA SM28 or SICK to perform a system consistency check | User can see the entry SAP System Check |
| Database Consistency Check | Execute TA DB02 to perform a database consistency check | User can see the missing tables or indexes |
| Server Check | Execute TA SM51 and check if all Instances are active and running | Status is active |
| Check RFC Destinations | Check the RFC destinations for relevant systems: Execute TA SM59 → choose relevant RFC-destinations → Utilities → Test → Authorization Test | Target systems are successfully reached |
| RFC Server Groups | Execute TA RZ12 | Correct assignment of instances to RFC server groups |
| Operation Mode Switch | Execute TA RZ03 → Choose operation mode → choose | Operation mode switches are set as before the migration |
| Internet Communication Manager (ICM) Checks | Execute TA SMICM, check number of threads and then select Goto → Services | HTTP(s) services are configured correctly |
| Internet Communication Framework Check | Execute TA SICF | ICF Services are activated |
| Partner Profile Check | Execute TA WE20 | For all partner profiles, check the classification tab and confirm if it’s correct |
| IDoc Port Checks | Execute TA WE21 | Check RFC destinations and logical file paths for IDoc ports |
Technical (Basis) team would be responsible for all listed activities above.
For more details and further reading: SAP Best Practices for system conversion for SAP S/4HANA.
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