SAP Transaction OMMV: A Step-by-Step Guide for SAP Users

Welcome to our tutorial on SAP transaction OMMV, a powerful transaction code used in SAP Materials Management (MM) module. In this tutorial, we will provide you with a detailed guide on how to effectively use OMMV to manage valuation classes in your SAP system. Whether you are a beginner SAP user or an experienced consultant looking for a refresher, this tutorial will equip you with the necessary knowledge to navigate through OMMV seamlessly.

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Now, let’s dive into our tutorial on using SAP transaction OMMV.

What is SAP Transaction OMMV?

SAP Transaction OMMV (Define Valuation Classes) is a transaction code used in SAP MM to define and maintain valuation classes. Valuation classes are used to categorize materials for valuation purposes, allowing you to assign specific accounting and valuation rules to different groups of materials. OMMV provides a user-friendly interface to create, change, and display valuation classes, enabling you to effectively manage your material valuation processes.

Step 1: Accessing SAP Transaction OMMV

To start using OMMV, follow these steps:

1. Log in to your SAP system using your user ID and password.
2. Launch the SAP Easy Access Menu.
3. Navigate to the “Logistics” folder and expand it.
4. Locate and click on the “Materials Management” folder.
5. From the sub-menu, select “Valuation” and click on “Define Valuation Classes (OMMV)” to access the OMMV transaction.

Step 2: Understanding OMMV Transaction Screen

Once you have accessed OMMV, you will be presented with the OMMV transaction screen, which consists of various fields and tabs. Let’s explore each of them:

• Valuation Class Overview: This section displays a list of existing valuation classes, allowing you to navigate through them and select the one you want to modify or create.
• Valuation Class Details: Here, you can view and maintain the details of the selected valuation class, such as the valuation class code, description, and other relevant attributes.

Step 3: Creating or Modifying Valuation Classes with OMMV

OMMV allows you to create new valuation classes or modify existing ones. Here’s how you can perform these tasks:

1. To create a new valuation class:

   • Click on the “New Entries” button in the Valuation Class Overview section.
   • Enter a unique valuation class code and a descriptive name for the new valuation class.
   • Fill in the other relevant attributes, such as the account category reference and the account modifier.
   • Click on the “Save” button to save the new valuation class.

2. To modify an existing valuation class:

   • Select the valuation class you want to modify from the Valuation Class Overview section.
   • Update the necessary attributes of the valuation class in the Valuation Class Details section.
   • Click on the “Save” button to save the changes.

Congratulations! You have successfully created or modified valuation classes using SAP transaction OMMV.

Step 4: Exploring Additional Functionality

SAP transaction OMMV offers various additional functionalities to streamline your material valuation processes. Here are some notable features you can leverage:

• Display Valuation Classes: Use OMMV to display existing valuation classes by selecting them from the Valuation Class Overview section. This allows you to review the details of each valuation class and verify their configuration.
• Copy Valuation Classes: OMMV allows you to copy existing valuation classes and create new ones based on their configuration. This feature saves time and effort when setting up similar valuation classes for different groups of materials.
• Delete Valuation Classes: If a valuation class is no longer needed, you can delete it using OMMV. However, please note that this action should be performed with caution, as it may have implications on your material valuation processes.

Conclusion

In this tutorial, we have provided you with a comprehensive guide on using SAP transaction OMMV in the SAP MM module. We covered the basics of OMMV, explained how to create and modify valuation classes, and explored additional functionalities. Remember, continuous learning and practice are key to becoming proficient in SAP MM.

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