Reassign lot/ serial numbers

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Switching a product in Odoo Inventory to lot or serial number tracking after it already has stock can leave inconsistent records, since the existing stock has no number assigned. This is corrected with two inventory adjustments.

How to reassign lot or serial numbers

  1. Open the product in Inventory app > Products > Products and click its On Hand smart button.
  2. Set the On Hand Quantity to zero (across every location, if stored in more than one).
  1. On the product’s Inventory tab, change Tracking from No Tracking to By Lots or By Unique Serial Number.
  1. Open the On Hand smart button again, click New, enter the Lot/Serial Number, and restore the original On Hand Quantity.

To find that original quantity, click the pencil icon on the On Hand Quantity column, then History, to see the adjustment that set it to zero.

Frequently asked questions

Why do I need to zero out stock before switching to lot tracking?

Because existing stock has no lot or serial number, and Odoo needs a clean starting point to record the new tracked quantity correctly.

Can I recover the original quantity after zeroing it?

Yes, use the pencil icon and History button on the On Hand Quantity to see the adjustment that set it to zero.

Need help?

Need help fixing tracking on existing stock in Odoo? Contact support@thoughtlogik.com or see our Odoo implementation services.

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