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Feb 02, 2021 at 07:19 PM

Legacy customer no in customer and vendor master records

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Hi

We plan to migrate the Customer and Vendor master data to SAP S/4 Hana from legacy systems.

Can we renumber these active Customer and Vendor nos. in SAP number ranges without impacting the open items ( AR / AP/ Invoice/ Sales order) at the time of cut over ?

How will SAP correlate an open item with the new customer nos in SAP ? Or do we need to continue with the legacy numbering for customer / vendor?

Thanks