LFS ISS
Also: LFS ISS, LFS-ISS, Lager-Führungs-System ISS, EPG LFS ISS
AI-generated
LFS ISS is a warehouse management software by the vendor Ehrhardt Partner Group (EPG), deployed either as a standalone solution or in a SAP-adjacent environment to control warehouse processes such as putaway, picking, and inventory management.
Key facts
- LFS ISS is a SAP-adjacent component of the Lager-Führungs-System (LFS) by Ehrhardt Partner Group, connecting operative warehouse control with SAP master and transactional data.
- The solution handles the physical execution logic in the warehouse — from storage location management to conveyor system control — while SAP remains the leading system.
- The architecture with clearly defined interfaces enables a functional separation between commercial inventory management in SAP and operative warehouse process control in LFS ISS.
- During implementation, interface design, the operating model, and the clarification of support responsibilities between the SAP environment and the WMS are critical factors.
What is LFS ISS?
LFS ISS refers to a segment within the LFS product portfolio of Ehrhardt Partner Group (EPG). LFS stands for Lager-Führungs-System and is a well-established warehouse management solution on the market. ISS is used in this context as a product variant or integration layer that enables particularly close connectivity to SAP systems. The goal is to control warehouse processes directly from SAP environments without mapping the logic entirely within SAP itself. This positions LFS ISS between a classic, standalone WMS and a pure SAP EWM implementation.
How does LFS ISS work in practice?
In practice, LFS ISS handles operative warehouse control — that is, the execution of putaway, retrieval, and picking orders based on data originating from the connected SAP system. Communication between SAP and LFS ISS takes place via defined interfaces, typically through RFC calls or IDocs. In this way, SAP remains the leading system for master and transactional data, while LFS ISS takes over the warehouse execution logic. This includes storage location management, transfer order control, material flow integration, and communication with conveyor systems and picking solutions. The user interface can be operated on stationary terminals, mobile handhelds, or voice picking systems.
A key advantage of this architecture is the clear separation of functions: SAP manages inventory and orders at the commercial level, while LFS ISS controls physical warehouse operations in granular detail. This separation makes it easier to implement warehouse-specific requirements — such as complex slotting strategies or material flow control — without touching SAP core processes.
What matters when making a selection?
When deciding on LFS ISS or a comparable SAP-adjacent WMS solution, several aspects need to be evaluated:
- Interface design: Which SAP releases and modules are supported? How are postings synchronized, and what latency times are acceptable?
- Functional scope: Which warehouse strategies, conveyor system integrations, and picking methods are included as standard, and which require customizing?
- Operating model: Is the solution operated on-premise, in a private cloud, or as a managed service? Who is responsible for release management and updates?
- Responsibilities: Are accountabilities clearly defined between the SAP basis team, the WMS vendor, and the internal IT team — particularly in the event of a disruption?
- License and maintenance costs: The cost structure varies considerably depending on the deployment model and module scope — a detailed TCO comparison is recommended.
Since product abbreviations such as ISS are vendor-specific and their scope of meaning may change with product versions, it is advisable to use functional descriptions rather than pure product names as a basis for comparison throughout the requirements process.
Related terms
- API
An API (Application Programming Interface) is a defined interface through which two software systems can exchange data in an automated and standardized way. In intralogistics, it connects systems such as WMS, ERP, or TMS with one another and with external services.
- Akustische Kommissionierung
Acoustic order picking is a paperless picking method in which warehouse employees receive pick instructions via voice and confirm each step using spoken responses. Both hands remain free throughout the actual picking process.
- Artikelstammdaten
Item master data refers to the permanently valid base data of an item – such as dimensions, weight, packaging units, hazardous goods classification, and best-before date relevance. It forms the foundation for all logistical, procurement-related, and system-driven processes along the supply chain.
- Automatisierung
Automation refers to the use of technologies and systems to execute processes fully or partially without human intervention. In intralogistics, the spectrum ranges from simple conveyor systems to fully automated high-bay warehouses with autonomous vehicles.
- Batch-Kommissionierung
Batch picking is a method in which multiple customer orders are consolidated into a single pick run. This allows the picker to travel one route while simultaneously covering positions from different orders.
- Beleglose Kommissionierung
Paperless picking refers to the assembly of orders in the warehouse without paper pick lists, where all instructions are transmitted digitally via terminals, displays, voice, or optical signals.
- Bestandsführung
Inventory management refers to the system-supported administration and continuous updating of all warehouse and material stocks within a company. It forms the basis for planning, procurement and accounting – and ensures that the book inventory and physical inventory are in agreement at all times.
- Bewegungsdaten
Movement data captures all transactions and physical goods movements in the logistics process – from goods receipt and stock transfers to dispatch. It contains timestamps, quantities, locations and the units involved, and forms the basis for transparency, control and analysis in warehouse and…
- Digital Warehouse
Digital Warehouse refers to a warehouse in which processes, systems and decisions are consistently data-driven and system-guided. Typical building blocks include a warehouse management system, real-time visibility, IoT sensors, mobile data capture and automated optimization logic.
- Disposition
Disposition refers to the operational planning and control of resources, quantities, and orders in logistics – for example in transport or materials disposition. It encompasses capacity assignment, scheduling, prioritization, and response to disruptions.

