C_S4EWM Extended Warehouse Management Practice Question
During a physical inventory count in an EWM-managed warehouse, the system recorded a book quantity of 100 units in a storage bin. The counter entered a counted quantity of 95 units. The warehouse manager now needs to adjust the inventory to match the physical count. Which EWM transaction should be used to post the difference?
⚠ Common exam trap
The trap here is thinking that inventory adjustments can be made by manually changing master data or creating new documents, rather than using the designated posting function.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use the 'Post Difference' function in the physical inventory document.
Physical inventory differences in EWM are posted using the 'Post Difference' function in the physical inventory document. This function adjusts the book quantity to the counted quantity, ensuring the system reflects the actual physical stock. It is the only correct method to reconcile inventory after a count, as it maintains proper audit trails and triggers necessary inventory adjustments.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use the 'Post Difference' function in the physical inventory document.
Why this is correct
In EWM, after a physical inventory count, differences are posted using the 'Post Difference' function within the physical inventory document. This function allows the system to adjust the book quantity to match the counted quantity, creating an inventory adjustment. It is the standard and correct method to reconcile inventory discrepancies identified during a physical inventory.
- ✗
Create a warehouse task to move 5 units to a difference storage bin.
Why it's wrong here
Moving units to a difference storage bin is not the correct way to adjust inventory after a physical count. A difference storage bin is used for handling discrepancies during putaway or picking, not for posting physical inventory differences. The adjustment must be posted directly to the inventory, not by creating a movement task.
- ✗
Create a new inbound delivery for 5 units to increase the stock.
Why it's wrong here
Creating an inbound delivery for 5 units would increase the stock, but the physical count was lower than the book quantity, so the adjustment requires a decrease, not an increase. An inbound delivery is used for receiving goods from a vendor, not for correcting inventory discrepancies. Using it here would result in incorrect stock levels and process flow.
- ✗
Change the book quantity manually in the storage bin master data.
Why it's wrong here
Manually changing the book quantity in the storage bin master data is not a valid EWM transaction and would bypass audit trails and system controls. Inventory adjustments must be posted through proper transactions to ensure accuracy and traceability. Direct changes to master data are not allowed for inventory quantities.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official SAP exam blueprint
This C_S4EWM practice question is part of Courseiva's free SAP certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the C_S4EWM exam.