backorders

Hello,

1) Quantity of material (A) confirmed to customer B = 100

Now if no stock is available to confirm customer C with high priority we can use backorder processing.

If I use t-code V_RA ,then open sales order with confirmed quantity is coming along with unconfirmed sales order.

Now inorder to transfer 100 pc from sales order 1 of customer B to sales order 2 of customer C do we have to make the

confirmed quantity in sales order 1= 0 from 100 pc and confirmed quantity in sales order 2 = 100 pc....??

2) When is rescheduling used then. ..? Does the confirmed as well as unconfirmed sales orders get a new delivery date....??

Kindly help......