MRP Calculation Question

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Posted on by Ezra Nielsen

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In Dynamics GP 2010 SP3 when a Primary Vendor ID is set on a site in the Item Quantities Maintenance window the MRP calculation settings on the Item Resource Planning Maintenance window seem to be ignored. For instance when set an order point to 200 units and set the Order Quantity Modifier: Multiple to 450 units for a new item with 0 on hand the MRP suggests a PO for 450 units. However, when I assign a Primary Vendor ID on a site in the Item Quantities Maintenance window the MRP calculation suggests a PO for only 200 Units (the Order Point Quantity). Is there another setting I am missing? TIA for any suggestions.

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Ezra Nielsen 810 on at

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Re: MRP Calculation Question

Thank you very much this worked!
Dan Liebl 7,320 on at

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Re: MRP Calculation Question

Luc and Bron are both correct. You also have to add the IRP info on the site specifc page, not the defaults.

Dan Liebl, CMA CPIM | Senior Consultant | OTT,Inc | DLiebl@OTT-inc.com
Community Member Microsoft Employee on at

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Re: MRP Calculation Question

Hi Ezra,

When Primary Vendor is set, MRP informations like lead time, maximum order, multiple ... have to be setted on Item Vendor Maintenance window.

Hope it help ;)

Luc
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Bron 4,887 on at

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Re: MRP Calculation Question

Cards > Inventory > Vendors............the item/vendor assignment screen has a order/multiple field....mrp should use this field. I think MRP will also use the purchasing lead time field from this screen.