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You can use serial number management in SAP S/4HANA Cloud Warehouse Management to identify and track individual products in your warehouse, from goods receipt to goods issue. For products with serial numbers, it is easy to track, even retrospectively, on which date it was delivered from which supplier, who performed the quality inspection, who moved this product, when this was done, and when it was packed and sent to the customer.

 

A serial number is a series of characters that have been assigned to each product in the warehouse so that it remains separate and are identified in the warehouse system. You can use serial numbers up to a length of 18 characters in an SAP ERP system.

 

Which serial number profiles are available for SAP S/4HANA Cloud Warehouse Management?




  • Serial Number Profile A – Serial Number on document item level



    • Definition: Serial Number Profile A allows you to enter serial numbers for delivery documents: for an inbound delivery item before posting goods receipt or for an outbound delivery item before posting goods issue. However, the serial numbers captured have no further effect - they are not stock managed. After goods receipt, the product behaves as if it did not require serial numbers. You can search for entered serial numbers in deliveries afterwards: However, you cannot see which serial numbers you currently have in stock (only in WM). This serial number profile is good for processes where you only need to find the delivery that the product came into or left the warehouse with. An example is customer returns or complaints: If a customer has a complaint about a delivery, you can look up when they received the product and which supplier it came from.

    • Advantage: Serial numbers can be entered in Inbound- & Outbound Delivery

    • Disadvantage: No transparency of serial numbers in stock

    • Note: It is not possible to define serial numbers as obligatory for goods receipt and goods issue.




 


  • Serial Number Profile C – Serial Number on stock level



    • Definition: Only with serial number profile C is the serial number a part of the stock. (warehouse stock). Only with this serial number profile you can see exactly which serial numbers you have in stock, where they are located and what the corresponding warehouse tasks were. In this way, you achieve full stock transparency and traceability of each individual serial number. However, it also means that you must capture the serial numbers for each warehouse task and for each repacking operation. If you use the full quantity of a quant, this is not necessary, but if you repack or move partial quantities, you must specify exactly which serial numbers are affected. So, it means a significant amount of additional administrative work.

    • Advantage: Exact information which serial number is stored in which storage bin

    • Disadvantage: Serial numbers must be entered or confirmed for warehouse task

    • Note: Serial numbers must be entered before posting goods receipt or goods issue




 


  • Serial Numbers in Delivery Processing:



    • Possibilities to enter serial numbers in inbound deliveries:

      • Serial numbers can be received via supplier’s Advanced Shipping Notification (ASN)

      • Entered in the inbound delivery in the SAP ERP system

      • Entered in the inbound delivery in the SAP EWM system



    • Possibilities to enter serial numbers in outbound deliveries:

      • Entered in the sales order in the SAP ERP System

      • Entered in the outbound delivery in the SAP ERP System

      • Entered in the outbound delivery order in the SAP EWM System

      • Note: Predefined serial numbers in SAP ERP system for e.g., sales order, these serial numbers cannot be changed in SAP EWM system and the corresponding serial numbers needs to be picked






 

Where to maintain Serial Number Profile for a material?


App: Manage Product Master Data or Change Material (TCODE MM02)

View: Plant Data / Storage 2


Maintain Serial Number Profile


 

Which steps are necessary, to change the serial number profile for a material, which has already postings into EWM-Storage Location?



Repair Serial Number Profile


 

How to change Serial Number Profile for a Material?


Example: Let’s change the serial number profile for Material “TG20_SERIALA”  from SNPA to SNPC


Material Master Data - SNPA


 

 

1. Before you start changing the serial number profile, please ensure that no open warehouse tasks or open delivery documents exists.

2. First transfer the stock from an EWM storage location to an IM-managed storage location using the app “Post Unplanned Goods Issue”.



    • Enter your warehouse number

    • Uncheck “Select Scrap Stock Only”

    • Choose GI Process “Storage Location” and enter the corresponding storage location.





Post Unplanned Goods Issue


 

3. Select the stock and click on “Post GI”


Post Goods Issue


 

4. Go to Change Material app and search for your material. In View “Plant Data / Storage 2“ change the serial number profile to “SNPC”

 


Material Master Data - Change to SNPC


 

5. In warehouse monitor, expand the node „Product Master Data” and search for your material in warehouse attribute. Mark your material „TG20_SERIALA“ and click on „Repair Serial Number Profile“


Warehouse Monitor - Repair Serial Number Profile


Note: If you can't find the product, please check the Warehouse Management view in "Manage Product Master Data" app. A view needs to be created for your warehouse.

6. Accept the warning message


Warning Message


 

7. Click on the green check


Display Log


 

8. Mark the material again and click on form view


Warehouse Monitor - Product Master Data - Form View


 

The correct serial number profile should now be displayed under Warehouse Data - General Data


New Serial Number Profile


 

9. In the next step the stock can be retrieved via MIGO posting. In order to be able to carry out the synchronous goods movement, this must first be activated through the SSCUI 105672.

SSCUI ID 105672: Activate Synchronous Goods Movements in the Warehouse


SSCUI ID 105672 - Activate Synchronous Goods Movement


 

After activating, the movement types must be defined


Maintain Movement Type


 

10. Open the App: MIGO – Post Transfer Posting


Transfer Posting - Within Plant



Transfer Posting - Within Plant - Warehouse Management Tab


 

Note: Storage Bin must be maintained manually! Therefore, it is important to write down, which material was stored in which storage bin. Step by Step, the stock can be posted back into EWM storage location.

 

Conclusion


In conclusion, it can be said that serial number management is a difficult topic. You have to decide from the very beginning which way you want to go and be aware of the advantages and disadvantages of each serial number profile. Switching to a different serial number profile at a later stage is not impossible, but it does involve a lot of manual effort.

 

Thanks for reading this blog post. Stay tuned!

 

For more information regarding Serial Number Management on SAP S/4HANA Cloud, check out the following links:

  • For more information about how to repair serial number profile, click here

  • For more information about Warehouse Serialization Settings, visit SAP Help Portal

  • In addition, read this SAP Note regarding the required manual steps in order to change the serial number profile: SAP Note - 3132393


 

 
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