When MRP Should be Run?

Executive Summary

• The question of when MRP should be run has several different answers.
• We cover several answers to the question of when MRP should be run.

Introduction

The question of when MRP should be run is typically a question about timing. In most companies, MRP is run according to the following schedule.

Our References for This Article

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MRP Timing

Most MRP timing looks like the following.

1. Sunday: Weekly Full Run
2. Monday Evening: Net Change MRP Run
3. Tuesday Evening: Net Change MRP Run
4. Wednesday Evening: Net Change MRP Run
5. Thursday Evening: Net Change MRP Run
6. Friday Evening: Net Change MRP Run
7. Saturday: Open for a Simulation Run of Whatever Combination

Setting Up MRP

The following is an MRP configuration screen in SAP, as one example.

Here is an example of some of the options in MRP in SAP. These are profiles that can be saved and then scheduled. 

Conclusion

In this article, we, in part, answered the question of when MRP should be run.

The MRP schedule presented above is the most common timing of MRP runs.

MRP is often run as net change because ERP servers are designed not for running procedures like MRP and DRP but instead are designed for transaction processing. By placing the MRP procedure on an AWS server, we can dramatically increase the performance of MRP, and it can be smoothly run very quickly, as we cover in the article Real-Time MRP.

One of the best ways to understand MRP is by understanding its parameters. We have developed a Brightwork Explorer system that is both designed to improve parameters and how MRP runs and can be used to understand MRP better.