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7/31/2019 Data Transfer Using LSMW
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LSMW (Legacy System Migration Workbench)
The Legacy System Migration Workbench (LSMW) is a tool recommended by SAP thatyou can use to transfer data once only or periodically from legacy systems into an R/3
System.
Procedure to Upload data Using LSMW
Execute the transaction lsmw.
Click on the execute button
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LSMW Workbench Screen
Click on Maintain attributes and execute.
Maintain Object Attributes
In this screen, the object type and import technique are selected. Select Standard Batch/Direct Input
Specify the object and the method for which you want to upload data
Save and back out
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Click on Maintain Source Structures and execute
Maintain Source Structure
Click on the create button to create the source structure
In case, there is a header and a detail data, create another source structure.
This will pop-up a screen whether to create the source structure in the same
level or subordinate level.
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Specify the name of the sub-ordinate source structure
The source structures will be created as represented in the below screen
Save and back out.
Click on Maintain Source Fields and execute
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Maintain Source Fields
Place the cursor on the source structure and click on the create button to
create the source field.
Identify the fields for which the data has to be uploaded.
Specify the field name, field description, field length and field type for the source
field.
Similarly perform the above for all the source fields of the source structure and
the detail structure
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Save and Back out
Maintain Structure relations and click on execute
Click on create relationship and create relationship
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Save and back out
Click on Maintain field mapping and conversion rules
Maintain Field mapping and conversion rules
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Place the cursor on the field name that needs to be uploaded and click on the
Button
Choose the appropriate value for the pop-up box.
Similarly, repeat the same for all the fields that need to be uploaded
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Save and back out
Click on maintain fixed values, translations
If there is any fixed value for any of the fields it can be maintained here.
Save and back out
Click on specify files
If the fie has to be uploaded from PC, click on legacy data (On the PC) and click
on the create button
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Specify the path of the file and its description
Specify the delimiter that is used in the file and the format of the file.
Save and back out
Click on assign files and execute
Place the cursor on the source structure and click on to assign the
file to the source structure
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Save and back out
Click on read data and execute
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Click on Display read data and execute
Display Read Data
Back out
Click on convert data and execute
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Click on Display converted data and execute
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Click on create batch input session and execute
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Click on process session
Create Class: Initial Screen
Specify Description
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Specify keyword
Assign characteristics
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