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Purpose

This document describes how subcontracting MRP is simplified in S/4HANA systems compared to ERP systems.

Overview

<Difference from ERP systems>

ERP systemsS/4HANA systemsRelated notes/KBAs
If subcontractor MRP area is not used, subcontracting segment is displayed in plant level of MD04If subcontractor MRP area is not used, there is no vendor segment in t-code MD04 on plant level. 

1920439 - How are the subcontracting requirements displayed in transaction codes MD04 and MD05?

2555808 - Subcontracting stock segment doesn't display in transaction MD04/MD05.

If subcontractor MRP area is used, need to assign it to the material master in MM02.No need to assign subcontractor MRP area to material master. MD01N will create subcontracting requirements in subcontractor MRP area and plant it automatically. ake sure the customizing settings are correctly maintained according to note 25165042268044 -  S4TWL - PP-MRP - Subcontracting

 

<Important Notes/KBAs>

KBA 2586059 - Collective notes about Subcontracting MRP on S/4HANA systems

KBA 2317008 - ME21N BOM explosion in MM transactions for SAP S/4HANA

KBA 2555808 - Subcontracting stock segment doesn't display in transaction MD04/MD05

2227532 - SAP S/4HANA Simplification Item: Logistics_PP-MRP - Subcontracting

2268044 -  S4TWL - PP-MRP - Subcontracting

2516504 - Material not defined in (generic) Subcontracting MRP Area

1914010 - MD01N: Restrictions for Planning in MRP Live on HANA

2431708 - MRP Live: Special procurement key 45 taken even if not existing

2584422 - Special produrement key 45 taken even if not existing Part 2

2339947 - Source of Supply and Quotation for MRP areas

<Common issues>

  1. Materials are not planned in subcontracting MRP area by MD01N.
    Solution: Make sure the following 2 notes are implemented:

    2431708 - MRP Live: Special procurement key 45 taken even if not existing

    2584422 - Special produrement key 45 taken even if not existing Part 2

  2. Negative vendor stock is shown as positive stock in t-code MD04; Subcontracting requirements are still displayed in t-code MD04 after the subcontracting purchase requistion is converted to purchase order with more  quantity than planned; Subcontracting requirements are still displayed in t-code MD04 after they are withdrawn.
    Solution: Check the symptom and solution in note 2535924. Implement note 2452704.

<Test cases>

[TEST CASE] Stock transfer of components to be provided

[TEST CASE] Multi-level subcontracting

[TEST CASE] Subcontracting/Third-Party Order Processing

Related Content

Related Documents

Online help:

Subcontracting

Subcontracting Procedure

Subcontracting with Production Version

Planning for Components to be Provided in Subcontracting

Stock Transfer of Components to be Provided

Subcontracting/Third-Party Order Processing

Multi-Level Subcontracting (Example)

SAP blog:

5 reasons to use subcontracting MRP areas in S/4HANA.

Related SAP Notes/KBAs

Insert links to any related SAP Notes/KBAs that support your topic or are related. Please hyperlink ONLY SAP Note or KBA number.
Example:

SAP Note 83020: What is consulting, what is support

SAP KBA 12345: This is an example KBA link

(Use the following Hyperlink with SAP Note/KBA number at end: https://launchpad.support.sap.com/#/notes/123456)
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