Purchase Requirement is Incorrected Based on What is Committed

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Posted on by CW-23071445-0

I am running into an issue where the the quantity showing what I need to purchase for a SKU exceeds what is needed.

The part that I need to purchase is a component of an assembly BOM.

Part A is an assembly SKU that has a BOM. The reorder policy on the item card is "ORDER"

Part B is a component of part A (1 needed per assembly) The reorder policy on the item card is "ORDER"

Customer care entered a sales order for QTY 1 of part A.

Materials manager created an assembly order for QTY 1 of part A to fulfill the need on the sales order ( this would result in me needing 1 of part B)

When I pull an inventory reorder report, it is stating that I now need to order 2 of part B although only 1 is needed.

When I look at the item card, only 1 of part B shows as committed (which is correct), however, it appears that the system is calculating that I need 1 of part A for sales order (and then committing the components part A) and 1 of part A just for the assembly order . It's not showing the assembly order that is written as available for the sales order.

Does anyone have any suggestions?

Thank you

Chris

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Valentin Castravet 32,808 Super User 2026 Season 2 on at

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One option is to change the assembly policy on item part a to assemble to order. This way, when you add this item to the sales order the system will automatically create an assembly order for you and reserve it to the sales order. Your part b item should also only show a demand of 1.

Valentin Castravet
Work: Zander ERP Services
Blog: Dynamics 365 Business Central Insights
LinkedIn: www.linkedin.com/in/valentin-c-0500a247/
CW-23071445-0 19 on at

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Thank you. We will test that tomorrow.
Jun Wang 8,222 Moderator on at

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you could try the below: set the replenishment system for the components to purchase

you could keep the replenishment system for the finished item as assembly, and set its manufacturing policy to made to order

if you have sufficient components for the qty on sales order, BC will consume components and output the assembled item when you post the sales order. If BC shows insufficient qty of components on stock, you could run the planning function from the sales order and create PO to purchase the parts.