Prior to Microsoft Dynamics NAV 2013 R2, developers had to customize Dynamics NAV to disable posting negative inventory, but in NAV2013R2 Microsoft have starting offering this feature as standard. One can now set up so that outbound posting that brings inventory below zero is blocked. This can be set up per item or for all items. We can put a check mark in Prevent Negative Inventory field, which specifies if you can post transactions that will bring inventory levels below zero.
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