Are you confused about which is the right SAP Warehouse Management Solution (WMS) for you?
Navigating the SAP WMS landscape, however, can be akin to traversing a labyrinth, particularly given the plethora of products available. By understanding your specific warehouse management requirements, considering factors such as warehouse size & complexity, and aligning your budget with the right WMS, you can transform your warehouse into a well-oiled machine, driving growth and success.
To choose the right WMS for your business, first, let us explore the different solutions available in the SAP warehousing ecosystem.
Available Solutions in the SAP Warehousing Ecosystem
The SAP warehousing landscape has different WMS options to choose from depending on business needs and wants. Let's delve into the capabilities of each offering to gain a comprehensive understanding of their functionalities.
Stock Room Management:
Stock Room Management is essentially SAP's replacement to the initial SAP Warehouse Management (WM) offering, giving customers a non SAP Extended Warehouse Management (EWM) solution.
It is designed for small to medium-sized businesses and offers basic warehouse management functionalities.
It has simple warehouse features, like managing inventory, moving stock, and counting physical inventory. This ensures efficient stock control and visibility.
SAP Warehouse Management (WM):
SAP WM is the original product offering from the SAP suite of warehousing solutions. It provides businesses with basic warehouse management functions that can be extended with Task and Resource Management (TRM).
Medium-sized businesses with complex warehouse operations adopt SAP WM for their businesses as it employs enhanced inventory management capabilities.
Advanced features like bin management can be accessed, enabling optimized warehouse operations and ensuring inventory accuracy.
Regarding a future-proof solution, SAP EWM (Basic) will replace SAP WM by the year 2025.
SAP Extended Warehouse Management Basic (EWM):
Offers more advanced functionalities beyond SAP WM.
It is mainly suited for medium-sized businesses with manually operated processes who seek an extensive range of warehouse management capabilities
As a part of SAP's strategic offering, it can be customized to include additional functions when necessary.
Includes support for integrated yard management, cross-docking, and multi-warehouse setup. It also helps in streamlining complex warehouse operations and improving its efficiency.
SAP Extended Warehouse Management Advanced (EWM):
It includes all the functionalities that SAP EWM Basic provides on top of other added features such as labor management, slotting management, and integration with automated storage and retrieval systems (AS/RS).
Tailored to the needs of large enterprises with highly demanding warehouse management requirements, it is SAPs flagship offering.
Being a part of SAP Supply Chain, it can seamlessly integrate with Quality Management, Transportation Management, Global Track & Trace, and Production-Planning-Execution. It also provides support for automation, integration, picking & putting away strategies, and more.
Integrating automation into your warehouse operations can enhance flexibility and enable more efficient management.
Choosing the right SAP WMS for your business
Basic Outlook
Features | Stock Room Management (with HUM) | SAP EWM (Basic) Embedded on SAP S/4HANA | SAP EWM (Advanced) Embedded on SAP S/4HANA | SAP EWM Decentralized on SAP S/4HANA |
Architecture | Included in SAP S/4HANA ERP | Included in SAP S/4HANA ERP | Included in SAP S/4HANA ERP | Separate application on SAP S/4HANA ERP |
Future Updates from SAP | Not supported | Improvements limited to Basic features will be added in future SAP S/4HANA versions | Future Innovations for the warehouse functionalities will be delivered only in case of SAP S/4 HANA for EWM |
License | Included in the SAP S/4HANA Enterprise Management license | Additional Classic SAP EWM Component License is required |
Adaptation to Warehouse Modernization | Very low | Low | High | Very High |
*All SAP S/4HANA references are based on either SAP S/4HANA On-premise edition or RISE with SAP S/4HANA Private edition
Comparison of Functionalities
Features | Stock Room Management (with HUM) | SAP EWM (Basic) Embedded on SAP S/4HANA | SAP EWM (Advanced) Embedded on SAP S/4HANA | SAP EWM Decentralized on SAP S/4HANA |
Barcode Scanning/Mobile Execution | Yes | Yes | Yes | Yes |
Bin to Bin transfer | Yes | Yes | Yes | Yes |
Basic Inbound | Yes | Yes | Yes | Yes |
Basic Outbound | Yes | Yes | Yes | Yes |
Physical Inventory | Yes | Yes | Yes | Yes |
Complex Processes like process oriented or layout-oriented storage control | No | Yes | Yes | Yes |
Internal Warehouse Movements | Yes | Yes | Yes | Yes |
Wave Management | No | No | Yes | Yes |
Cross-docking | No | No | Yes | Yes |
Serial Numbers | Yes through HUM | Yes | Yes | Yes |
SSCC Numbering of HUs | Yes | Yes | Yes | Yes |
MFS Support | No | No | Yes, (Some restrictions) | Yes |
*All SAP S/4HANA references are based on either SAP S/4HANA On-premise edition or RISE with SAP S/4HANA Private edition
Integration Capabilities
Features | Stock Room Management (with HUM) | SAP EWM (Basic) Embedded on SAP S/4HANA | SAP EWM (Advanced) Embedded on SAP S/4HANA | SAP EWM Decentralized on SAP S/4HANA |
WM-PP Interface (Production Integration) | Basic Integration | 1.Delivery-based Integration
2. Advanced Production Integration
3. Direct Production Integration
4. MES-Driven Staging | 1. Delivery-based Integration
2. Advanced Production Integration
3. Direct Production Integration
4. MES-Driven Staging | 1. Delivery Based Integration
2. Advanced Production Integration
3. MES-Driven Staging |
Integration with S/4H Core | Very tight ERP integration | Tight ERP integration | Tight ERP integration | Robust ERP-Interfacing mechanism |
WM-SAP TM Integration | No | Yes | Yes | Yes |
Technical Migration Complexity from Old SAP WM | Low | Medium | Medium | Medium to High |
Complexity of warehouse supported | Low | Medium | Medium to High | Highly complex |
*All SAP S/4HANA references are based on either SAP S/4HANA On-premise edition or RISE with SAP S/4HANA Private edition
Recommendations Depending on Warehouse Size
Features | Stock Room Management (with HUM) | SAP EWM (Basic) Embedded on SAP S/4HANA | SAP EWM (Advanced) Embedded on SAP S/4HANA | SAP EWM Decentralized on SAP S/4HANA |
Recommended for | -Small size warehouses with manual operations without any advanced requirements
- e.g. Affiliate managed small warehouses
-Stores that need bin to bin transfer | -Small to medium size warehouses requiring full stock transparency and control
-Own operated distribution centers without much complexity of operations | -For medium to large warehouse requiring advanced & optimized warehousing features
Integration with small to medium production places with less complex manufacturing Integration need
(decoupling of WMS from production is not the core requirement) | -For all medium to very large complex warehouses that require optimized warehousing features.
-Best suited for heavily automated warehouses that have business models consisting of decoupling of WMS from MFG IT landscape
- Large warehouses with advanced needs looking to implement Next-Gen technologies for warehouse automation (like IOT, Smart robots, and more) |
*All SAP S/4HANA references are based on either SAP S/4HANA On-premise edition or RISE with SAP S/4HANA Private edition
Features of SAP Warehouse management (WM)
Features | SAP Warehouse Management (WM) |
Architecture | Part of SAP S/4HANA ERP (Within Compatibility Scope) |
Future Updates from SAP | Not supported |
License | Included in the SAP S/4HANA Enterprise Management license. |
Futuristic Warehouse Modernization Outlook | Very low |
Barcode Scanning/Mobile Execution | Yes |
Bin to Bin transfer | Yes |
Basic Inbound | Yes |
Basic Outbound | Yes |
Physical Inventory | Yes |
*All SAP S/4HANA references are based on either SAP S/4HANA On-premise edition or RISE with SAP S/4HANA Private edition
Conclusion
First, a clear understanding of the size, complexity, and characteristics of what may be unique to your warehouse is very important. This will help you in identifying specific processes such as inventory management, warehouse automation, order fulfillment, etc. that need optimization.
Understanding the above aspects will give you an idea about which WMS is the best for your business. Furthermore, it is essential to assess your budget and timeline since implementing SAP Warehousing solutions can vary in cost and complexity. Establishing a clear timeline for the implementation project can help in ensuring minimal disruption to your ongoing operations and ensure the allocation of the right amount of resources.
The total cost of ownership, mostly, and not limited to, include the software licensing fee, customized hardware requirements, implementation services, and ongoing maintenance of the solution.
By meticulously evaluating your warehouse management needs, understanding your budget and timeline, and consulting with experienced SAP WMS implementation partners, you can confidently select the optimal warehousing solution that empowers your business.
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