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Why SAP EWM on S/4 Hana 1909 is a Game Changer Compared to Classical EWM versions till 9.5

In an endeavor to constantly evolve the next generation WMS, exactly one year before SAP had announced the arrival of EWM on its flagship S/4 HANA server, it is now available since version 1809 FPS02. Before this announcement, EWM was already available as embedded EWM within a S/4HANA on premise system since version 1610. 

As we know, embedded EWM on S/4 HANA is recommended by SAP small and midsize warehouses (non-high throughput warehouses) within a geographical region which is near to the data center where the S/4HANA system is hosted. Whereas, Decentral-EWM is recommended for high-throughput and best future scalability options, provides best independent upgrade capabilities and does not restrict future ERP integration scenarios.

Erstwhile Classical EWM deployments were mainly on the separate NetWeaver system instance for EWM 9.0 onwards and on the separate SCM Server instance before 9.0.

As per SAP's product roadmap, Decentral EWM deployed on SAP S/4HANA is the successor product of Business Suite SAP EWM. It is considered as the most recommended standard decentral deployment option for new EWM installations.

All Classical versions before EWM 9.5 and lower are now recommended by SAP for the migration to this new deployment option on S/4 HANA server. There are several major reasons for it and will prove to be game changer for SAP in the long term as a strategic WMS product in the market.

 Conceptual Diff EWM on S4H1909 and EWM9.5.JPG

 Game changing Improvements brought by EWM on S/4 HANA 1909*

Top-7 Innovation Areas in EWM on S4H1909V3.JPG

Most prominent & highly useful recent innovations* available in EWM on S/4 HANA 1909 are:


Key Innovations

Salient Functionalities


Accelerated System Integration & Automatic IDoc Configurations

Instead of manual configuration, use three reports to configure the whole IDOC communication automatically. These three reports are used for auto creation of reduced IDoc message, auto creation of ALE set-up and for partner profile set-up


Warehouse Monitor Related Improvements

a.       New node for storage bin sorting

b.       Print storage bin labels directly from monitor

c.       Create storage bin by copying existing bin

d.       Posting changes and stock transfer by selection date

e.       Handling Unit History Functionality


Inbound Process Related Improvements

a.       Enhanced RF UI with HU type and Serial Numbers for Inbound

b.       Create multiple HUs with RF UI at once for same product while receiving and also Unloading and goods receipt of multiple HUs at once

c.       Improved system logging during put away bin determination


Outbound Process Related Improvements

a.       Reversal Goods Issue (GI) possible for one or more single deliveries or handling unit instead of complete posting reversal

b.       Display document address of ship-to-party

c.       Tolerance check during low stock check PI during picking

d.       Post Goods Issue report in the background with parallel processing

e.       Ability to record reason codes in delivery cancellation in EWM

f.        Enable warehouse task creation in the background/batch for ODO

g.       Warehouse Monitor highlights the hazardous material/DG on ODO/TU

h.       Carrier/business partner mass update functionality in monitor

i.         New report to simulate wave release


Internal and cross topic related improvements

a.       Change log on TU level

b.       Prevent ad-hoc movement of products if tied up to deliveries/stop HU movement if there are open picks

c.       Ad-hoc HU warehouse task creation can branch into warehouse task details

d.       Serial number selection for during ad-hoc product warehouse task creation

e.       MFS-Trigger communication points on channel start for MFS without synchronization and PLCs with type pallet conveyor.

f.        Change RF presentation profile dynamically based on resource via new BAdI.


EWM-SAP ME Integration Enhancements

a.       More integration points between EWM and SAP ME, out-of-the-box seamless integration between SAP EWM and SAP ME for staging and confirmation e.g. staging warehouse task is created in EWM based on request from SAP ME and staging confirmation sent from EWM to ME automatically

b.       New RF transaction with distribution equipment process to transport, for example components to production supply


Decentral-EWM connecting to multiple ERP systems & Connect to Retail ERP system

a.       Connect to multiple ERP possible with harmonized master data

b.       Integrate Quality Inspection Engine with multiple ERP or S/4 HANA systems

c.       Replicate ERP Retail Article Master to EWM product master

Key Source: What is new in SAP EWM S/4 HANA 1909 FSP1, EWM Development SAP SE February 2020.

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