Legecy System Migration Workbench LSMW

8/19/2019 Legecy System Migration Workbench LSMW

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LSMW

The full form of LSMW is Legacy System Migration Workbench. As the namespecifies it’s a tool in SAP for migrating the legacy data to SAP system. LSMW is the

transaction code used to start.

Commonly used importing technologies in LSMW are

• Direct Input method

• atch Input !ecording

• API Method

• ID"C method

In this tutorial #e descri$es a$out the steps in%ol%ed in creating an LSMW pro&ect for migrating

the legacy data.

In LSMW #e are doing the things in a step $y step procedure and the ne't step screen #ill $eautomatically displayed after %ery step. (ere are the steps in%ol%ed in LSMW.

(ere is the screen shot of LSMW initial screen


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Step )* Maintaining Object Attributes

(ere #e are specifying a$out the pro&ect+ su$pro&ect+ o$&ect and importing technology ,li-e $atchinput+ ID"C etc.

• Choose maintain o$&ect attri$ute from the LSMW steps screen

• Choose Change

• Specify the "$&ect

• Specify the nature of data transfer that one time or periodic.

• Select the o$&ect type and import techni/ue.

Step 0* Maintaining the source structures

(ere #e define the structure of source.

• Choose maintain the source structure from the LSMW steps screen

• Choose Change


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• Point your mouse on Source Structures

• Choose Create Structure

• 1nter the name and description for the structure

• Choose Continue

Step 2* Maintaining Source Fields

After the creation of structure in step 0+ in this step #e are going to define each field in that

structure.

• Choose maintain source fields from the LSMW steps screen

• Choose Change

• Point your mouse on the Source Structure #here #e are going to add fields.

• Choose Create 3ield.

• 1nter the field name+ te't+ length and type

• Choose Continue

Step 4* Maintaining Structure Relationship

(ere #e specify the relationship $et#een the SAP structures and the source structures created in

step 0.

• Choose maintain structure relationship from the LSMW steps screen• Choose Change

• Point your mouse on the SAP structure ID.

• Choose !elationship.

• Point your mouse on the corresponding source structure.

• Choose Continue

• Choose chec- for finding any errors in relationship.

Step 5* Maintaining Field mapping and Conversion Rules

The mapping $et#een SAP structure fields and source structure fields+ and con%ersion rule isspecifying in this step. Instead of manual mapping+ auto field mapping option is also a%aila$le.

• Choose maintain field mapping and con%ersion rule from the LSMW steps screen

• Choose Change


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(ere #e assign the specified files to the corresponding source structure.

• Choose Assign files from the LSMW steps screen

• Choose change

• Point the mouse on a structure

• Choose Assign file

• Select the corresponding file

• Press Continue

Step


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Legecy System Migration Workbench LSMW

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