Assigning a Item Tracking code.....

Hai,

How to assign a Item Tracking code for an Existing items ( already Ledger Entries exist) in Nav. And how to retrieve the items with Lot No’s when we create the particular item for sales order from bulk of items… any body plz explain clearly…

Thanks in Advance.

Not possible for item having entries in ledger.

Need to create separate Item and assign serial/lot no to new item and transfer Inventory from old to new item.