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Finance | Project Operations, Human Resources, ...
Unanswered

Minimum and Inventory multiple in Master Planning

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Posted on by 49

Hi there,

In the Master Planning algorithm, it seems that the 'Inventory multiple' (order multiples) has higher priority than Minimum amount in Item Coverage. Assume that Inventory multiple is 24 and Minimum is 15. The the reorder point becomes 24 instead of 15.
It is expected to place an order once the inventory level is below 15 but surprisingly the reorder point is now 24!

I think it does not make sense since now the minimum amounts below the inventory multiple are not affecting the reorder point.

Does anyone have any suggestions?

I have the same question (0)
  • Mohammad Gholami Profile Picture
    49 on at
    [deleted]
  • André Arnaud de Calavon Profile Picture
    301,049 Super User 2025 Season 2 on at

    Hi Mohammad,

    Please don't duplicate or cross post your questions. You have created the same in the AX forum: community.dynamics.com/.../minimum-and-inventory-multiple-in-master-planning

    As the tag AX2012 is used, I do assume your question is related to AX 2012 and not Dynamics 365 SCM.

  • MATTGUO Profile Picture
    22,349 Moderator on at

    Hi Mohammad,

    The min quantity is 15, and the default order quantity to use for requirement calculation is 24. So the order requirement quantity is 24.

    If you want to the planned quantity is 15, you need to clear the inventory multiple.

  • André Arnaud de Calavon Profile Picture
    301,049 Super User 2025 Season 2 on at

    @MattGuo,

    As mentioned above, this is a duplicate. Can you post your answer on the AX forum with the same question?

  • MATTGUO Profile Picture
    22,349 Moderator on at

    Merged the contents of two threads.

  • Mohammad Gholami Profile Picture
    49 on at

    Hello MATTGUO,

    Thanks for your response. The safety stock is 15 by which we want to replenish once the inventory level is below it, but we want to receive orders in 24 multiple quantities.

    If we clear the inventory multiple, the reorder time is corrected but the multiple is not considered in the order quantity. on the other hand, if we keep multiple the reorder time is incorrect.

    Do you have suggestions for it?

  • MATTGUO Profile Picture
    22,349 Moderator on at

    Hi Mohammad,

    The OOB feature consider both constraints. There is no parameter to configure it.

    You need to do a customization that the MRP does not consider the default order setting.

  • Mohammad Gholami Profile Picture
    49 on at

    OOB is a feature in MRP algorithm?

  • MATTGUO Profile Picture
    22,349 Moderator on at

    OOB is out-of-box, it means the standard feature.

  • guk1964 Profile Picture
    10,888 on at

    What is your coverage policy on the coverage group? it needs to be either  period or min/max

    Unless Max makes sense for you due to storage limitation then I would prefer Period with a Min setting.

    What is set on your default order?

    Fulfilling the safety stock requirement transaction is deprioritized if the system determines that this causes delays in the fulfilment of real demand, such as sales lines, BOM lines, transfer requirements, or demand forecast lines. Otherwise, making sure that the available inventory is above the safety stock quantity has the same priority as any other demand types. This ensures no delays for real transactions and helps to prevent over-replenishment and early-replenishment of safety stock.

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