SAP MRP area

posted in: SAP PP 1
SAP : MRP Area
SAP : MRP Area

For large companies with complex inventory management, SAP enables them to segment their requirements planning according to several criteria. Whether it is at the Plant level, the Storage Location level or even when talking about subcontracting, SAP allows you to adapt your MRP to your needs, using what is called SAP MRP area.

But first of all, what is an MRP?

SAP MRP : Definition

MRP is an acronym for "Material requirement planning. This part of the SAP software allows you to calculate and anticipate the need for materials based on customer orders, part reservations, etc. This need will then generate a reaction from the software, by creating a production order or a purchase order.

Without going into technical details, here is how an MRP works:

Definition of the need

First, SAP will accurately determine the need (what to produce, what to buy, etc.).

Quantify the demand

Then, it is necessary to calculate the quantities required and the date of need to meet the demand.

Determine the supply

Finally, SAP checks the components, those that must be produced, purchased, compares with the quantities available via inventory, verifies the procurement or production times to finally determine the exact start date and sends the information to the purchasing/production department.

One can then easily realize that the calculation can be complex and that a lot of parameters can be taken into account. One of them is called SAP MRP area and this is what we will see together right now.

SAP MRP area : Scope

Initially, SAP calculates the requirement based on the Plant itself. As each material is different, all MRP information is located at the material level in the MRP views :

MRP view
MRP view

However, some parts can be located in the same Plant, in different Storage Locations and can be managed differently depending on the area / need. This is where SAP MRP area comes into play. Indeed, this functionality allows to define MRP zones for the same material, and assign specific needs to each of them.

Here's how it works:

MRP area representation
MRP area representation

But before assigning MRP areas to materials, you must first create these areas. This is done through customizing.

SAP MRP area : Configuration

We can go in the customizing

SPRO : Production / Material Requirements Planning / Master Data / MRP Areas
Customizing : MRP areas
Customizing : MRP areas

Here it is possible to create MRP Areas of 3 different types :


Here, the system will check the whole Plant. Identical to the classic operation.

Storage Location

Here it is possible to assign 1 or more Storage Locations. The system will then calculate the requirement on these.


Here it is possible to assign 1 supplier for everything related to subcontracting.

For our example, we will create an MRP area for 1 Storage Location in particular.

Define MRP area for Plant/Storage Locatoin
MRP area config
MRP area configuration

Here we will make a new entry. It is then necessary to fill in the following information :

  • Enter a name for the MRP area
  • Assign a description
  • Choose which type of MRP area to use (here "02" for Storage location)
  • Define the Plant
  • Select the first Storage location
MRP area for Storage location
MRP area for Storage location

Now you just have to save, assign our change to a transport request and the creation of the MRP area is finished. Now let's assign it to a device.

SAP MRP area: assignment

For this part, go to the Master Data part of the material, in the "MRP 1" view. Click on the "MRP areas" button and choose the one created previously.

Assignment to the material
Assignment to the material
MRP area
MRP area

Once selected, it is then possible to define the MRP parameters specifically for this MRP area :

  • MRP 1 : It contains the general data, the procedure part and the lot size.
  • MRP 2 : This is the purchasing, planning and requirement calculation part.
  • Forecast : This is where the projections are set
  • Consumption values : Historical consumption data can be found in this tab.
MRP parameters
MRP parameters

SAP MRP area : conclusion

We didn't go into the details of how to use MRP, etc. Nevertheless, it has allowed you to see an SAP feature that allows you to fine-tune your MRP strategy to best meet business needs.

Don't hesitate to share your discoveries with us in the comments and, above all, don't hesitate if you have any questions or misunderstandings.

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  1. Malick chérif haidara
    | Reply

    This is very important. I really want to understand the MRP.

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