We are on SRM 7.03 with extended classic scenario and ECC 6.0. What is best practice on how to manage materials with multiple alternate manufacturer part numbers (MPN), ie, ordering and managing multiple MPNs linked to one material master? For example, if a supplier for Part 123 [manufacturer part number (MPN) aaa] recalls this MPN and offer to replace it with MPN aab, how does SRM handle this? First issue is the fact that the material master in ECC only permits one MPN/manufacturer (MFR), and if we change the MPN/MFR, all PO will also reflect the latest value. This really confuses suppliers when we reprint an older PO but the MPN has been updated to the latest combination, rather than what was already processed.
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