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Classic & EC - PO & other purchasing documents number range

Former Member
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Hi SRM Gurus,

Can any one please explain me more precisely about number ranges in SRM & MM.

For classical scenario, we will define number ranges for PO & other purchasing documents in SRM as internal number ranges and in MM as external number ranges.

But in Classical scenario we will create POs (or other Purchasing Documents) in backend system. Suppose If it is to be replicated to SRM as per business need, then how system works. Because we defined in SRM PO number range as internal number range and in backend system as external number range.

Again in Extended Classical scenario, for MRP materials PR or Reservation will be created in backend system with internal number range. But in Plan-Driven scenario they will be replicate to SRM. In this case how we have to choose number ranges.

I am confused. I'll appreciate if any one explains me with step by step or with examples for Classic and Extended classical scenarios

Points will rewarded

Thanks,

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Answers (1)

Answers (1)

Former Member
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Hi,

Please find my responses in bold below:

For classical scenario, we will define number ranges for PO & other purchasing documents in SRM as internal number ranges and in MM as external number ranges.

Sundeep: In Classic Scenario, you do not define number ranges for PO internally in SPRO. You would only define number ranges for shopping carts, Confirmation and Invoices if required. Please see description of classic and extended classic scenario below.



External number ranges are defined for PR's and PO's in ECC in a classic scenario environment. (No Internal number range is defined in SRM for these documents in classic scenario and a shopping cart is a PR in SRM)

So, basically in classic scenario, you create only a Shopping cart (Internal Number Range) and all follow on documents such as PR, PO etc are created as external number ranges in ECC, which are a result of a shopping cart from SRM having an internal number range locally.

But in Classical scenario we will create POs (or other Purchasing Documents) in backend system. Suppose If it is to be replicated to SRM as per business need, then how system works. Because we defined in SRM PO number range as internal number range and in backend system as external number range.

Sundeep: This scenario is not possible. In classic scenario you cannot replicate the PO back to the SRM system. Such a scenario is usually accomodated by an Extended Classic Scenario.



Again in Extended Classical scenario, for MRP materials PR or Reservation will be created in backend system with internal number range. But in Plan-Driven scenario they will be replicate to SRM. In this case how we have to choose number ranges.

Sundeep: In a Plan driven procurement the PR is created in SRM as a shopping cart with internal number range. (PR = Shopping cart in SRM). No reservations are created locally in SRM from a PDP. Reservation are only possible in a Classic scenario from SRM -> R/3.



·

The classic scenario



The shopping cart is created and approved in SAP Enterprise Buyer. The remainder of the procurement process takes place in the backend ERP system(s) and all other follow-on documents, such the purchase order, goods receipt/service entry sheet and invoice, are located there. With SAP Supplier Self-Services, you have partial supplier involvement for the operational procurement business scenarios when buying materials. There is no support for services.

·

The extended classic scenario

The shopping cart is created in SAP Enterprise Buyer. The purchase order and follow-on documents are also created there and then replicated to the backend system. The purchase order in SAP Enterprise Buyer is the leading purchase order and cannot be changed in the backend system. Goods receipts and invoices can be pre-entered in SAP Enterprise Buyer or entered directly in the backend system. With SAP Supplier Self-Services, you have partial supplier involvement for all your operational procurement scenarios. In these scenarios, you have supplier involvement for the purchase order and the purchase order response.

Hope this info helps !!

Pls assign points for usefull answers !!

Sundeep

Message was edited by:

Sundeep Ravande