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Microsoft Dynamics AX (Archived)

ATP does not take into account reserved stock

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Hello, our ATP does not take into account reserved stock when it calculates the delivery dates

Example

Item Lead time 10 Days

QTY on Hand                 20

Physical reserved           15

Order reserved               5

Creating new Sales Quote/Order - ATP shows that the stock is on hand and we can ship.

This cannot be the expected behaviour?

(I expect ATP to show delivery date as today plus 10 days (lead time) if no other inbound supply is in ATP time fence, as no stock is available for the new order)

Our version 2012 R2 CU7

Thanks

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I have the same question (0)
  • Francesco Profile Picture
    524 on at

    The order reserved qty are reservations on anticipated inventory movements, not on physical inventory. Since you have 5 pcs available, I suspect that the the order reserved items are markings on existing purchase orders.

    As long as your new sales order is for 5 pcs or less, you have sufficient inventory on hand.

  • Community Member Profile Picture
    on at

    Thanks, lets say all items are reserved, the ATP info still shows 20 on hand and that if the SO is less than that qty, the stock is available to ship?

    My understanding would be that it should not be available?

  • Francesco Profile Picture
    524 on at

    Well, ATP is like a traffic light in Mumbay. It is more a suggested directive than an enforced demand. You can use ATP to calculate delivery dates, but it's not intended to block sales. When there is no expected movement within the ATP window, then it defaults to the last day of the ATP time fence (or the first one after it, not sure). That's why it is important to set the ATP window in accordance with your lead times. 
    The calculated ATP qty should be 0, but this is only reflected in the (temporary) ATP table, not on your order line.

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