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ATP check for component materials

Hello experts,

The ATP check was initially designed for a kitting process. BOM Material would be kitted in the distribution center(DC) and sent to a garage. Sales orders are created with BOM materials for a garage and there is a multi- level GATP process in place. Since BOM materials do not exist at a garage the check would be performed at a DC for components after BOM explosion. The existing configurations in R3 and APO are for a make to order process(Strategy group of 50 for BOM's and 40 for component).

We are now introducing new materials for an existing material and have the need for product substitution on the sales order, if the existing material is out of stock at the DC. To enable this functionality we are having to perform an ATP check for the sales orders at the distribution center, though the sales order is created for a garage. To improve on the response times during the ATP check our design approach, is to convert the BOM materials in the sales order to component materials with material determination(one BOM material is tied to one component material) and performing the ATP check with components at the DC.

While testing we are facing the following issues:

1)Sales order placed on a garage is substituted with the DC after product substitution. This does not occur when product substitution is carried out with BOM's.

2)During the order create, the ATP checks for check mode u201845u2019 and business event u2018AEu2019 for a given material in a DC shows zero stock. While for the same material,location and business event AE the product availability check in APO reflects stocks available.

Is it feasible to do ATP checks for component material in a sales order which was initially designed to work with BOM materials? Am I missing some configuration settings in either APO or R3?


Anil DeSouza

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2 Answers

  • author's profile photo
    Former Member
    Posted on Sep 20, 2010 at 07:15 AM

    You can achive this by activiting multilevel ATP check

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  • author's profile photo
    Former Member
    Posted on Sep 21, 2010 at 09:34 AM

    Hi Anil,

    Yes it can be done.

    1) For finished product & garage combination -

    activate RBATP in the check instructions.

    2) in the location substitution maintain 'location determination sctivity'. Here you maintain different check mode & business event -- ( this is nothing but check instruction --- in thsi you maintain 'MATP').

    Hope this anws your first qus.

    To addressing your 2nd question....follow below steps.

    1) Do ATP from sales order, get onto results screen, click on product availability & check for 'scope of check' (check control) and look for the stock types that are included. Based on this your receipts are consdiered for ATP confirmation.

    Best Regards,


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