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Customer and Vendor migration as BP from ECC to S4 Hana in greenfield implementation

Hi All,

I want to know the steps to be followed for Customer and Vendor migration as BP from ECC to S4 Hana implementation.

Your input is highly appreciated.


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  • Posted on Oct 24, 2019 at 07:52 AM

    I recommend searching. You see, I copy/pasted your question title in Google and there are plenty of results - blogs, questions,

    There is also Best Practices Explorer (requires a valid S-user) where you can find step-by step guides on how to configure business partners in a new implementation.

    For system conversion the best place to start is 2713963 - FAQ: CVI - Customer Vendor Integration for system conversion to S/4HANA.

    By the way - you either perform a migration which means activating CVI in the source system (ECC) for direction Customer/Vendor ->BP which after the conversion is switched to BP -> Customer/Vendor or you perform a greenfield implementation which means configuring BP in S/4HANA and then uploading the master data via tools like LTMC. In your case (you mentioned greenfield) the approach is similar to what you normally do in new implementations - you configure the system and then you upload some data. This means that the most appropriate source of information is Best Practices Explorer.

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    • I still do not understand what is your exact project - conversion, new installation or landscape transformation.

      If you are speaking about system conversion (brownfield approach) then you do not need LTMC for master data upload because you will keep your existing data. Before the conversion you will have to configure CVI for the direction from customer/vendor to business partner otherwise you will get an error and you cannot proceed. After the conversion you cannot create customers and vendors manually, you will still use CVI but it will be used in the opposite direction.

      With greenfield implementation (where you do not convert the existing system but you install a new one from scratch) you still need to configure CVI for direction BP to customer/vendor. You can use LTMC for file upload or you can use staging tables or you can consider Data Services.

      There are a few really good openSAP courses on the topic of system conversion (one of which is active at the moment) and a new one starting next month (this is expected to focus on functional topics for system conversions). I recommend that you enroll and review the training materials.

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