SAP supports its customers with recommendations for transformation, with a particular focus on those users who want to replace the somewhat inflexible (and aging) SAP EC-CS or the SAP Financial Consolidation, which was later integrated - sometimes imperfectly - into the SAP world.
If SAP EC-CS is to be replaced, a time-limited hybrid operating mode for both applications may be an option - instead of taking a full risk with a hard switchover. During a transition period of, say, two years, the old and new systems are used in parallel to generate consolidated financial statements. If SAP Group Reporting delivers satisfactory results at the end of the parallel operation, EC-CS can be switched off. However, this option is dependent on the SAP S/4HANA version used as the basis for Group Reporting. For the use of the financial information to be consolidated in this transition scenario, it is also important that the sequence of process steps and the parameterization of Group Reporting specified in the SAP process documents for this procedure model are strictly adhered to. This hybrid option is already available in the system's basic settings, but must of course be activated by the user when selecting the transaction. Here, too - in close coordination with SAP support - it must be ensured that the protocol is followed. "Quick & dirty" approaches are not a good idea here, "low hanging fruits" are hard to find.
The SAP Financial Consolidation User Group was recently surprised from French developer circles with the clever approach of using the Data Collection App (GRDC), which is actually intended for data collection at the group periphery (or for non-financial information), for the application shift. In the future, the mapping layer available within the GRDC should be able to transform master data and also transaction data from SAP Financial Consolidation into the format of Group Reporting and transfer it to the ACDOCU table. For the actual transition process, consolidated financial data would be sent as well as unconsolidated package data including manual postings would find their way into the new Group Reporting and the table structure there. Based on reports, the already consolidated data ("snapshots") for the required consolidation groups can then be compared and analyzed line-by-line with the consolidation results reprocessed in Group Reporting.