Does ATP honors reservations?
For example : Let’s say for 18th Jan we have SO of qty 4 , we have on hand supply of 4 out of that 2 quantity are reserved against the SO and we created WIP job of 2 qty which will complete on 20th of Jan reserved against the SO.
In this scenario, the SO for x4 is reserved against x2 onhand and x2 future WIP job supply. The other x2 onhand are unreserved and free stock.
Now, with the Profile Value of ‘MSC: Use attribute based netting’ to ‘No’ and Plan Options for Reservation Group to ‘Planning Group’ then the x2 unreserved onhand stock (with no project reference number) was being pegged to the SO demand leading to a deferred view of available supply (for the future WIP Job supply)