Is it possible to change Sales Shipment Date, by changing Purchase Delivery Date using MPS/MRP ?

ekaruz

I have a sales order from a customer for a manufactured item to be delivered in 3 weeks.
I have run MPS/MPR and the system have suggested the corresponding Production and Purchase Orders to be created.
I have accepted the action messages from the planning worksheet and the orders have been created.
One of the component items that must be purchased, it will take 15 days to be delivered.(Lead Time Calculation 15D).

10 days go by and the vendor informs me that it will take extra 10 days for the item to be delivered.
What should i do now in order to update the purchase line with the new expected delivery date, without losing the order tracking and ideally update all the
corresponding production orders and finally the Sales Order with the new Shipment Date ?

kvb

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