SAP MM · WM · EWM Consultant

Arjun Sai

Practical notes on procurement and warehousing in SAP S/4HANA.

13+ years across SAP implementations, global rollouts and application support. This is where I write down what I've learned about SAP MM and SAP EWM — clearly, and with the detail that matters on a real project.

Browse the guides →View my profile

18in-depth guides

108topics explained

6field notes

56+T-codes in the reference

01 · Profile

Experience behind the notes.

LinkedIn profile ↗

SAP-certified consultant and team lead with 13+ years across implementations, global rollouts and application support. My work spans SAP MM, WM and EWM — procurement and warehouse processes, integration, data migration, testing, go-live and hypercare — in manufacturing, automotive and pharmaceuticals.

SAP MM configurationProcure-to-payRelease strategy & approvalsInventory & physical inventorySAP EWM inbound / outboundWM → EWMIDoc & 3PL integrationData migrationFunctional specificationsUAT & go-liveHypercare & AMSUser training

Procurement & warehouse processes

Functional configuration of purchasing, approvals, inventory and warehouse processes across SAP MM, WM and EWM — designed to be simple for users and clean for Finance.

Integration & project delivery

Requirements workshops, functional design, IDoc and third-party integration, data migration, UAT and go-live support across implementations and global rollouts.

Team leadership & application support

Leading functional teams, training business users, resolving production incidents and stabilising operations during hypercare.

SAP certifications

SAP Certified Application Associate — SAP S/4HANA Sourcing and Procurement

SAP Certified Application Associate — Extended Warehouse Management with SAP S/4HANA

Industries

Manufacturing · Automotive · Pharmaceuticals

Education

PGDM, Supply Chain ManagementWelingkar Institute · 2014 – 2016

B.E., Computer ScienceChitkara University · 2008 – 2012

Also certified

Microsoft Certified: Azure Fundamentals · AWS Certified Cloud Practitioner · Scrum Foundation Professional Certificate (SFPC)

Tools & delivery environment

ServiceNow · SAP Solution Manager · HP ALM / Quality Center · HP Service Manager

02 · Guide library

A working map of MM & EWM.

18 guides and 108 topics — each with key points, transactions, configuration paths, field tips and self-check questions.

Materials Management

SAP MM

01Enterprise structure & master dataThe organisational units and master records that every purchasing, inventory and valuation process quietly depends on.6 topics 02Procurement lifecycle & source determinationFollow a requirement from its origin through sourcing, ordering and monitoring — with every document link kept visible.7 topics 03Outline agreements, approvals & supplier performanceLong-term agreements, approval controls and how buyers measure supplier performance.6 topics 04Pricing, conditions & delivery costsHow the condition technique turns info records, contracts and condition records into a net price on the purchase order.5 topics 05Inventory management & physical inventoryGoods movements, stock types and the S/4HANA material-document model — plus counting stock the auditors will trust.7 topics 06Planning, MRP & demand inputsHow SAP decides what to buy, how much and when — from independent requirements through MRP Live to lot sizing.5 topics 07Valuation & automatic account determinationWhere logistics meets the general ledger: price control, Material Ledger, OBYC and the GR/IR clearing account.5 topics 08Invoice verification, ERS & payment handoffCheck what was ordered, received and invoiced — then hand a clean payable to Finance.6 topics 09Special procurement & servicesSubcontracting, consignment, stock transfers, third-party and services — the scenarios that test real MM depth.6 topics 10S/4HANA, integration & project deliveryWhat changed in SAP S/4HANA, how MM integrates with everything around it, and how projects actually go live.5 topics

Extended Warehouse Mgmt.

SAP EWM

01Architecture, structure & deploymentChoose the deployment, model the warehouse and connect it to the ERP — before any process design.5 topics 02Product, packaging & warehouse master dataThe warehouse-specific master data that decides where stock goes, how it is packed and who moves it.6 topics 03Stock types, batches & serial numbersHow EWM represents stock — the quant, stock types, availability groups — and how batches and serials keep it traceable.5 topics 04Inbound processes & putawayFrom expected delivery to final bin — receiving, unloading, deconsolidation, quality and putaway strategies.6 topics 05Outbound processes, picking & shippingFrom delivery to truck: waves, picking strategies, packing, staging, loading and goods issue.7 topics 06Internal processes & warehouse controlThe control objects behind every movement — process types, POSC and LOSC — and the internal processes that keep stock right.7 topics 07Advanced execution & special integrationCross-docking, VAS, kitting, production supply, labour management, automation and the tools that keep a warehouse running.9 topics 08WM to EWM migration & EWM projectsMoving from LE-WM to EWM in SAP S/4HANA — options, data, testing and the go-live lessons that matter.5 topics

03 · Quick reference

T-codes, tables & movement types on one page.

The reference I keep open during workshops and support calls — grouped by process, for SAP MM and SAP EWM.

Open the reference →

04 · Field notes

Short reads, clear explanations.

All notes →