SAP MM Module Interview Questions And Answers

 
The SAP MM (Materials Management) module plays a crucial role in managing procurement and inventory within SAP ERP. To ace an SAP MM interview, candidates must be well-versed in core concepts, configurations, and processes. Below are some of the most commonly asked SAP MM interview questions along with their detailed answers.

1. What Are the Steps in Automatic Account Assignment Configuration?

Automatic account assignment in SAP MM is essential for ensuring accurate financial postings. The following are the key steps for configuration:

1.1 Define Valuation Classes (OMSK)

Path: SPRO → Material Management → Valuation & Account Assignment → Account Determination → Account Determination without Wizard → Define Valuation Classes 

Explanation: Valuation classes help differentiate materials based on their accounting needs. Materials assigned to the same valuation class will have the same account determination rules.

1.2 Define Valuation Control (OMWM)

Path: SPRO → Material Management → Valuation & Account Assignment → Account Determination → Account Determination without Wizard → Define Valuation Control 

Explanation: Valuation control allows SAP to determine if valuation should be done at the company code level or the plant level.

1.3 Define Account Grouping for Movement Types (OMWN)

Path: SPRO → Material Management → Valuation & Account Assignment → Account Determination → Account Determination without Wizard → Define Account Grouping for Movement Types 

Explanation: Account grouping assigns financial postings to the correct GL accounts based on different movement types.

1.4 Group Together Valuation Areas (OMWD)

Path: SPRO → Material Management → Valuation & Account Assignment → Account Determination → Account Determination without Wizard → Group Together Valuation Areas 

Explanation: Grouping valuation areas ensures that multiple plants can share the same valuation structure.

1.5 Configure Automatic Postings (OMWB or OBYC)

Path: SPRO → Material Management → Valuation & Account Assignment → Account Determination → Account Determination without Wizard → Configure Automatic Postings 

Explanation: Automatic postings define which General Ledger (GL) accounts are impacted when transactions such as goods receipts or invoice postings occur.


2. What Is Meant by Access Sequence? When Is It Used?

Definition: An access sequence is a search strategy used by the SAP system to find valid condition records for a given condition type. 

Usage:

  • It defines the sequence of condition tables that the system checks for pricing or other conditions.
  • For instance, in pricing, the system may first check for a plant-specific price and then a general price.

Example:

Condition Type PB00: Assigned an access sequence so that prices can be maintained in purchasing info records and contracts. 
Condition Type RC00: No access sequence assigned as it does not have a validity period of its own.

3. How Does the Purchase Order (PO) Pick Up the Pricing Schema?

The PO determines the pricing schema based on vendor schema or purchasing organization schema.

Scenarios:

  • Vendor Schema Assignment: If a calculation schema is assigned to a vendor schema, it applies to all vendors under that schema, even if they belong to different purchasing organizations.
  • Purchasing Organization Schema: If a calculation schema is assigned only to a purchasing org schema, all POs from that purchasing organization follow the same pricing schema.
  • Combined Schema Assignment: If separate pricing is needed for domestic and foreign vendors, two different vendor schemas can be assigned under the same purchasing org schema.

4. What Are the Types of Special Stocks Available in SAP MM?

SAP MM provides various special stocks and special procurement types to handle different business scenarios.

Types of Special Stocks:

  • Consignment Stock: Goods owned by a vendor but stored at the company's location.
  • Subcontracting Stock: Raw materials provided to a subcontractor for manufacturing.
  • Stock Transfer Using Stock Transport Order (STO): Internal transfer of materials between plants.
  • Third-Party Processing Stock: Direct shipment of goods from a vendor to a customer.
  • Returnable Transport Packaging (RTP): Packaging materials like pallets and containers that can be returned.
  • Pipeline Handling Stock: Goods like gas or water supplied directly via a pipeline.
  • Sales Order Stock: Stock reserved for a particular customer order.
  • Project Stock: Stock assigned to a specific project for tracking purposes.

Final Thoughts

Mastering these SAP MM concepts will significantly improve your chances of acing an interview. Be prepared for scenario-based questions and system configurations to showcase your practical expertise. 

SAP MM

Read also

SAP MM Reference Books:
SAP Material Management Interview Questions, Certification and Configuration Books

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SAP MM Purchasing

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SAP MM (Materials Management) Configuration Hints and Tips

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