BASIS--LSMW Steps For Data Migration

How to develop a lsmw for data migration for va01 or xk01 transaction?

You can create lsmw for data migration as follows (using session method):

Example for xk01 (create vendor)
Initially there will be 20 steps but after processing 1 step it will reduced to 14 for session method.

1. TCode : LSMW.
2. Enter Project name, sub project name and object name.
    Execute.
3. Maintain object attributes.
    Execute
    select Batch Input recording 
    goto->Recording overview
    create
    recording name.
    enter transaction code.
    start recording
    do recording as per ur choice.
    save + back.
    enter recording name in lsmw screen.
    save + back

Now there will be 14 steps.
2. MAINTAIN SOURCE STRUCTURES.
    Here you have  to enter the name of internal table.
    display change
    create 
    save + back

3. MAINTAIN SOURCE FIELDS.
    display change
    select structure
    source_fields->copy fields.
    a dialogue window will come .
    select -> from data file
    apply source fields
    enter No. of fields 
    length of fields
    attach file
    save + back

4. MAINTAIN STRUCTURE RELATIONS
    display change
    save + back

5. MAINTAN FIELD MAPPING & CONVERSION RULE
    display change
    click on source field, select exact field from structue and enter
    repeat these steps for all fields.
    save+back

6. MAINTAIN FIXED VALUES, TRANSACTION, USER DEFINED
    execute 
    save + back

7. SPECIFY FILES.
    display change
    click on legacy data
    attah flat file
    give description
    select tabulatore 
    enter
    save + back

8. ASSIGN FILE 
    execute 
    display  change
    save + back

9. IMPORT DATA.
    execute 
    display  change
    save + back

10. DISPLAY IMPORTED DATA
      enter ok, it willl show records only.
      back

11. CONVERT DATA
      execute 
      display  change
      save + back

12. DISPLAY CONVERTED DATA
      execute 
      display  change
      save + back

13. CREATE BATCH INPUT SESSION
      tick keep batch input folder 
      F8
      back

14. RUN BATCH INPUT SESSION.
      sm35 will come
      Object name will be shown here 
      select object & process   

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