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SAP Transaction OBH1: A Comprehensive Guide for SAP Users

SAP Transaction OBH1: A Comprehensive Guide for SAP Users

Welcome to our tutorial on SAP transaction OBH1, a crucial transaction code used in SAP Materials Management (MM) module. In this tutorial, we will provide you with a step-by-step guide on how to effectively utilize OBH1 for maintaining number ranges in your SAP system. Whether you are a novice SAP user or an experienced consultant looking for a refresher, this tutorial will equip you with the necessary knowledge to navigate through OBH1 seamlessly.

Before we dive into the details, we’d like to introduce you to a valuable resource that can enhance your SAP MM skills and help you become an expert in the field. Check out the SAP MM online video training offered by our expert SAP MM consultant, available at roadtoexpert.com. This comprehensive training program will provide you with in-depth knowledge and practical insights to boost your proficiency in SAP MM and accelerate your career growth.

Now, let’s begin our tutorial on using SAP transaction OBH1.

What is SAP Transaction OBH1?

SAP Transaction OBH1 (Maintain Number Ranges) is a key transaction code used in SAP MM for maintaining number ranges for various objects, such as purchase orders, goods receipts, and material documents. It allows users to define and manage the number ranges used in these objects, ensuring proper sequencing and control of document numbers. With OBH1, you can easily customize the number ranges according to your organization’s requirements.

Step 1: Accessing SAP Transaction OBH1

To start using OBH1, 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 “Inventory Management.”
  6. Next, choose “Material Document” and click on “Number Range” to proceed to the OBH1 transaction.

Step 2: Understanding OBH1 Transaction Screen

Once you have accessed OBH1, you will encounter the OBH1 transaction screen, which consists of various fields and tabs. Let’s explore each of them:

  • Object: This field allows you to select the object for which you want to maintain number ranges, such as purchase orders or goods receipts.
  • Interval: Here, you can define the numerical range for the selected object. Specify the start and end numbers for the range.
  • Status: The status tab shows the current status of the number range, indicating whether it is active or inactive.
  • Year: This field allows you to specify the fiscal year for which the number range is applicable.
  • Reset: The reset tab enables you to define when the number range should be reset, such as at the beginning of each fiscal year.

Step 3: Maintaining Number Ranges with OBH1

Maintaining number ranges is a critical task performed using OBH1. It involves defining the range of numbers to be used for specific objects. Here’s how you can maintain number ranges using OBH1:

  1. Start by selecting the appropriate object from the “Object” field.
  2. Define the numerical range for the selected object in the “Interval” tab. Specify the start and end numbers according to your organization’s requirements.
  3. Check the status tab to ensure that the number range is active. If it is inactive, click on the “Activate” button to activate it.
  4. If necessary, specify the fiscal year for which the number range is applicable in the “Year” field.
  5. Use the reset tab to define when the number range should be reset, such as at the beginning of each fiscal year.
  6. Once you have entered all the necessary information, click on the “Save” button to save the number range.

Congratulations! You have successfully maintained number ranges using SAP transaction OBH1.

Step 4: Exploring Additional Functionality

SAP transaction OBH1 offers various additional functionalities to streamline your number range management processes. Here are some notable features you can leverage:

  • Display Number Ranges: Use OBH1 to display existing number ranges by entering the object and other relevant criteria. This allows you to review and verify the current number range settings.
  • Change Number Ranges: OBH1 also enables you to modify existing number ranges. You can edit fields such as the numerical range, fiscal year, or reset settings. Simply select the desired number range and make the necessary changes.
  • Create New Number Ranges: In addition to maintaining existing number ranges, OBH1 allows you to create new number ranges for different objects. This feature ensures flexibility in defining number sequences according to your organization’s evolving needs.


In this tutorial, we have provided you with a comprehensive guide on using SAP transaction OBH1 in the SAP MM module. We covered the basics of OBH1, explained how to maintain number ranges, and explored additional functionalities. Remember, continuous learning and practice are key to becoming proficient in SAP MM.

To further enhance your skills in SAP MM, we highly recommend our SAP MM online video training, designed by our expert SAP MM consultant. This training program offers comprehensive modules and hands-on exercises to help you become an SAP MM expert. Visit roadtoexpert.com to learn more and take your SAP MM skills to new heights.

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