LSMW Steps For Data Migration

ERP In SAP ==> LSMW

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       *-- Tips by Dipika

SAP Data Migration Reference Book
Data Transfer Made Easy 4.0B/4.5x
This guidebook is particularly useful when performing data transfer from legacy systems to the R/3 System.

SAP Books
SAP Certification, Interview Questions, ABAP Programming, Functional and Basis Component Reference Books

LSMW Tips
SAP Data Migration with LSMW

Best regards,
SAP Basis, ABAP Programming and Other IMG Stuff
http://www.erpgreat.com

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