I am facing a strange issue in our live site order item quantity is not decreased after order placed from the frontend.

(i.e) if a successful order has 5 products, 4 products quantity has been decreased successfully and remaining one product's inventory still same.

Since it's strange behavior looking forward to hearing for a better solution.


Go to system->configuration->catalog->Inventory and Decrease Stock When Order is Placed to "yes"

Like below image

enter image description here

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  • Decrease Stock When Order is Placed is set to Yes already and the above-mentioned issue occurs in rare case. if an order has 5 products one or two product's quantity is not getting decreased. – Muthukumar Sivasamy Oct 16 '18 at 13:15
  • @MuthukumarSivasamy please check this link github.com/magento/magento2/issues/5945 – Mukesh Prajapati Oct 16 '18 at 13:17
  • @MuthukumarSivasamy it may be store id issue so please check – Mukesh Prajapati Oct 16 '18 at 13:18
  • @MuthukumarSivasamy dont apply solutions directly on live site – Mukesh Prajapati Oct 16 '18 at 13:19
  • We used to duplicate existing product to create a new product in our store also having this issue in our Magento – Muthukumar Sivasamy Oct 16 '18 at 13:23

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