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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Planning Worksheet Reo...
Small and medium business | Business Central, N...
Answered

Planning Worksheet Reorder Point

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Posted on by CU29010650-1 12
In Business Central, while exploring item planning, I noticed one thing. For a single item, I have the following inventory and purchase quantities.

 
 
where reorder policy and details are below like Reorder point is 10 and Reorder Qty is 10.

now on PO i have planned Planned and Expected receipt date as below
 
now when i calculate plan for below dates 
 
I'm getting below in plan worksheet


Now here my Question is like when I'm Receiving my goods on 12/1/25 why my reorder point is getting triggered and also why its changing the PO qty to 5 while i'm Receiving my 100 Qty on 12/1/25.
Also it shouldn't  cancel the 6 qty PO if I'm getting 100 Qty.
Categories:
Dynamics 365 Business Central
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  • Verified answer
    Dhiren Nagar Profile Picture
    Dhiren Nagar 2,886 Super User 2026 Season 1 on at
    Hi,
     
    This is expected in the Fixed reorder Qty.
     
    Why order of 100? Basically you are running planning from 30th Nov. On that date inventory is 5 which is lower than 10 reorder point. So the order of reorder quantity of 100.
     
    Now on the 2nd Dec, you'll have 5+100+6=111 projected balance, which is more than overflow level of 10+100 = 100 (reorder point + reorder level )so it will ask you to modify your order of qty 6 to 5 to make it within overflow level of 110.
     
     
    You can check the logic in below link.
     
     
    Regards,
    Dhiren.
  • Suggested answer
    OussamaSabbouh Profile Picture
    OussamaSabbouh 16,074 Super User 2026 Season 1 on at
    Hello,
     
    This behavior is normal in Business Central planning: MRP looks at projected inventory by date/time, not total incoming quantity, so even though you receive 100 on 12/1/25, inventory still dips below the Reorder Point (10) before that receipt is effective, which triggers replenishment; with Fixed Reorder Qty, the engine then tries to net exact shortages and optimize supply, so it reduces/cancels the 6-qty PO and proposes a smaller qty (5) because the timing and quantities don’t align cleanly with demand and lead time. Planning doesn’t “protect” existing POs unless timing matches demand, so to avoid this you need to align receipt dates earlier, use Safety Stock, switch to Lot-for-Lot, or enable Respect Planning Parameters when calculating the plan.
     
    Regards,
    Oussama Sabbouh

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