Material Requirements Planning > Reviewing MRP Output
  
Reviewing MRP Output
The primary outputs of MRP are planned orders and action messages. These are generated if MRP sees an imbalance of supply and demand.
If supply exceeds demand, MRP automatically reschedules or cancels planned orders and generates messages suggesting you de-expedite or cancel open orders.
If demand exceeds supply, MRP reschedules or creates planned orders and generates messages suggesting you expedite or create orders.