This Blog is mainly on SAP Exam Questions and Selected "How-to" SAP processes

Friday, January 16, 2026

Q&A in Class (2026-01-16) EWM100

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Question: What is the purpose of the SCU (Supply Chain Unit) in the EWM system ?

Answer: In SAP EWM, a Supply Chain Unit (SCU) represents a physical or organizational entity involved in logistics processes. 
It can be a 
  • warehouse
  • a goods receipt office
  • a shipping office
  • or any other location where goods are handled


The purpose of a SCU is also to represent a specific geographical location and maintain its associated logistical functions within EWM. 

As in the above pictorial example
  • A Plant SPCW contain raw material storage locations of RD00 and RD01 which is linked to a EWM warehouse E100, the warehouse address is at the East Road with Gate 1 entered the Yard for the Goods Receipt Docking. A SCU (Supply Chain Unit) created also as E100 will be set using the East Road Gate 1 address with the Warehouse having activity attributes as a Warehouse and Goods Receipt Office. The Geo Data for SCU E100 is X1 Longitude and Latitude. 
  • The same Plant SPCW also contain finished product storage locations of AF00 and AF01 which is linked to another EWM warehouse of E101, but this warehouse address although the SAME but the exit gate for Outbound Delivery is via Gate 2 on the West Road. AND the SCU (Supply Chain Unit) will be created as E101 (same as the EWM warehouse E101) but will be assigned with activity attributes as a Warehouse and Shipping Office. The Geo Data for SCU E101 is X2 Longitude and Latitude. 
  • One Business Partner as SPCW code same as Plant code SPCW is created to be assigned to the Plant SPCW and also contain attributes as Custodian, Party Entitled to Disposal, and Ship-to Party AND the Single BP is assigned to both SCU E100 and SCU E101; as regardless of either Warehouse, the stock responsibilities of the raw materials SLoc at RD00 or RD01 OR finished goods SLoc at AF00 or AF01 are to ONE Plant SPCW. 
  • It is important to note that there is 1:1 relationship between the SCU (Supply Chain Unit) to the EWM Warehouse number. 
  • It is highly recommended to create the SCU code = EWM Warehouse number. 

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Question: What is the Relationship between Custodian, Default Party Entitled to and Plant in S/4HANA?

Answer: In the above configuration is where the PLANT to link to the Disposal Party and hence also to the Custodian. 

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Question: How is the Plant generated in S/4HANA EWM?


Answer: Use Program "/SAPAPO/CREATE_LOCATION" via SA38 to Create/Generated Location for EWM for Business Partner, Plant, Shipping/Receiving Point and MRP Area.
See the following Blog Post: 

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Question: Review for EWM MM-EWM Inbound Processing.


Answer: Here is an example of Inbound Delivery to EWM Storage in 2 methods:
Click to the following: 

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Question: Review for EWM SD-EWM Outbound Delivery Processing.


Answer: Here is an example of Outbound Delivery to EWM processing. 
Click to the following: 

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Question: Review of Storage Process Control example for Inbound Delivery.


Answer: Here is an example of EWM Inbound Delivery with Storage Process Control.
Click to the following: 

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Question: Review of Storage Process Control example for Outbound Delivery.


Answer: Here is an example of EWM Outbound Delivery with Storage Process Control.
Click to the following:

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