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Availability check with cumulative, confirmed quantities

Hi Gurus,

In the customizing for checking group we have a column like "Accumul" and we have four options there. They are

0 No cumulation

1 Cumulation of confirmed quantity when created and changed

2 Required quantity when created, no cumulation when changed

3 Required quantity when created, conf. qty when changed

Can any one please explain what is the difference between option"1" and option "3".

Thanks in advance and all responses will be rewarded with points.

Regards,

Jejesh.

replied

Hi,

ATP check with cumulation can happen in 2 ways

A) Check taking cumulated confirmed quantities into account

In the availability check in the sales order, the system takes the sum of all previously confirmed quantities into account when calculating the cumulated ATP quantity. This means that new sales orders can only be confirmed if the sum of all receipts exceeds the sum of the confirmed quantities.

B) Check taking cumulated requirements quantities into account

In the availability check in the sales order, the system takes the sum of all open requirements quantities to date into account when calculating the cumulated ATP quantity. This means that new sales orders can only be confirmed if the sum of all receipts exceeds the sum of all requirements quantities.

When you choose key 1 in Accumulation field of checking group defn in OVZ2,

It follows method A described above when both creating and changing sales order /production order.

When you choose key 3 it follows method B while creation and method A while making changes to the sales order/production order.

regards,

Ashok

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