RE: Inter company Purchase Order Sales Order Issue in AX2012

USE [NameOfYourDBSuchAsMicrosoftDynamicsAX]
UPDATE SALESTABLE
SET SALESTABLE.SALESSTATUS = 1 --To make back the order status as OpneOrder
WHERE (SALESTABLE.SALESID = 'yourSONumber') AND (SALESTABLE.DATAAREAID = 'ComapnyIdwhereSOResides')