Within SAP Inventory Management, there are two methods how stocks are moved between plants using a 2-step process:
Stock Transport Orders (UB)
Transfer Posting
What does 2-step mean?
Example: Letu2019s assume stock is moving from Plant A (Storage Location 0001) to Plant B (storage location 0002).
Two step means that two transactions will be used to move the stock. After the first transaction, stock has left plant A but it is not yet available at Plant B. Only after the second transaction is it available for use in Plant B.
Some reasons for using 2-step movements (and not 1 step):
Long time span between leaving Plant A and arriving at Plant B
Need to control when goods leave plant A but not received at plant B
Using Stock Transport Orders (STO)
Steps:
Create a Stock Transport Order (ME21N, Purchase Order doc type UB)
Process Goods Issue against STO (MIGO > Goods Issue > PO) u2013 movement type 351
Process Goods Receipt against STO (MIGO > Goods Receipt > PO) u2013 movement type 101
The use of Planned Orders and Purchase Requisitions are optional.
Using Transfer Postings (TP)
Steps:
Process a Transfer Posting (MIGO > Transfer Posting) u2013 movement type 303
Process a Transfer Posting (MIGO > Transfer Posting) u2013 movement type 305
The Transfer Posting can be done with reference to a Reservation. Although this is not used a lot.
Similarities between Stock Transport Orders (STO) and Transfer Postings (TP)
Both use transaction MIGO for both steps
After first step, goods are already reflected in receiving plant and not available
Differences between Stock Transport Orders (STO) and Transfer Postings (TP)
Movement types are different
351 & 101 for STO
303 & 305 for TP
Stock types at receiving plants are different
In Transfer (MARC-UMLMC) for TP
Stock in Transit (MARC-TRAME)for STO
For STO, 351 and 101 is group together where for TP there is no link between 303 and 305
STO requires more transactions than TP
STO must be configured for the sending plant / receiving plant where no plant specific configuration exists for TP
STO is based on Stock Transport Order (type of Purchase Order). Where no purchasing document is used for TP
STO can be initiated with a Planned Order or Purchase Requisition
Planning (MRP) can be used to initiate movements, but only STOu2019s
Configuration required to use STO
Config: MM > Purchasing > Purchase Order > Set up Stock Transport Order > Assign Document Type, One-Step Procedure, Underdelivery Tolerance
Here the source plant, destination plant and allowed STO document type is specified.
A transfer posting usually refers to a change in a materialu2019s stock (for example, release from quality inspection, accepting consignment material). In a transfer posting, the material can remain in its original storage bin or be transferred.
Transfer Postings and Stock Transfers: Differences
You can post both stock transfers and transfer postings in the R/3 System. Transfer postings differ from stock transfers in that
transfer postings are not connected with a physical goods movement. They usually involve a change in stock type, batch number, or material number.
An example of transfer posting is the release from inspection into the company's own stock.
Procedure
Goto MIGO
Select action as transfer posting.
Transfer posting/stock transfers can be one step or two step.
Usually transfer posting will be done in one step.
Movement types:
301 Transfer posting plant to plant in one step
303 Transfer posting plant to plant in two steps - removal from storage
305 Transfer posting plant to plant in two steps - placement in storage
309 Transfer posting material to material
The quantity is posted from unrestricted-use stock of the issuing material into unrestricted-use stock in the receiving material.
Prerequisite: both materials have the same stock-keeping unit.
311 Transfer posting storage location to storage location in one step
313 Stock transfer storage location to storage location in two steps - removal from storage
315 Transfer posting storage location to storage location in two steps - placement in storage.
Give the movement type as per your requirement and give the material ,receiving and supplying plant, receiving and supplying storage loc.,transfering quantity.
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