An existing Warehouse Management (WM) installation can still be used by existing customers. SAP announced this in its blog article (June 2019) about “SAP S/4HANA Stock Room Management”. Due to the significantly reduced scope of functions, however, this installation is only worthwhile for small warehouses or storage rooms. Moreover, unlike EWM (Extended Warehouse Management), there will be no further developments for Stock Room Management. Despite the limitations, there are reasonable options for the use of Stock Room Management.
From a technical point of view, Stock Room Management is an LE-WM and should first be delivered with the release SAP S/4HANA 1909. This means that you should be able to continue using your own developments under Stock Room Management, provided they only access WM components that are available in Stock Room Management. Unlike WM, Stock Room Management does not support Task & Resource Management (WM-TRM), Warehouse Control Unit interface (WM-LSR), Value Added Service (WM-VAS), Yard Management (WM-YM), Cross-Docking (WM-CD), Wave Management (WM-TFM-CP), or Decentralized WM (WM-DWM). In addition, there will be no further developments or Fiori Apps for Stock Room Management. This means that companies will not benefit from new functionalities.
For all other companies, Stock Room Management is not a sensible, long-term solution. Here it makes more sense to rely on EWM as warehouse management software. Then users can benefit from the greater functional scope of EWM and the new developments for this. In addition, the SAP S/4HANA Enterprise Management license includes the use of EWM with the basic functionalities, as well as the use of Stock Room Management.
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