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Activate Cin India

Data Migration of
Non-SAP Systems to R/3

Quick Introduction to Working with the
Legacy System Migration Workbench
Version 1.7

lsm@sap.com

September 5, 2000

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Table of Contents

1 Introduction 4

1.1 PURPOSE OF THIS INTRODUCTION 4
1.2 LSM WORKBENCH: WHAT IS IT? 4
1.3 SUPPORTED R/3 RELEASES 4
1.4 COSTS 4
1.5 DELIVERY 4
1.6 LSM WORKBENCH VERSIONS 4
1.7 SUPPORT 5
1.8 SIGNIFICANCE OF DATA MIGRATION 5
1.9 BASIC PRINCIPLES OF THE LSM WORKBENCH 5

2 PRECONDITIONS 7

3 STARTUP AND PREPARATIONS 8

3.1 AUTHORIZATIONS 8
3.2 INITIAL TRANSACTION 8
3.3 PROJECT, SUBPROJECT AND OBJECT 9
3.4 USER GUIDANCE 10
3.5 FIELD MAPPING ON PAPER 12
3.6 CREATE OBJECT OVERVIEW 13
3.7 ADMINISTRATION 17
3.8 RECORDINGS 17
3.9 PREPARATIONS FOR USING IDOC INBOUND PROCESSING 18

4 GENERAL TIPS FOR THE PROCEDURE 22

5 DATA MIGRATION '' STEP BY STEP 24

5.1 MAINTAIN OBJECT ATTRIBUTES 24
5.2 MAINTAIN SOURCE STRUCTURES 25
5.3 MAINTAIN SOURCE FIELDS 27
5.3.1 CREATE INDIVIDUAL SOURCE FIELDS 27
5.3.2 Maintain Source Fields in Table Form 29
5.3.3 Copy Source Fields from Other Sources 30
5.4 Maintain Structural Relationships 31
5.5 MAINTAIN FIELD MAPPING AND CONVERSION RULES 33
5.5.1 FOR THE ADVANCED USER: DISPLAY VARIANT, PROCESSING TIMES 37
5.5.2 For the Advanced User: Global Variables 38
5.5.3 For the Advanced User: Global Functions 39
5.5.4 For the Advanced User: Reusable Rules — Naming Conventions 40
5.6 Maintain Fixed Values, Translations and User-written Routines 41
5.7 SPECIFY FILES 44
5.8 USE WILDCARDS IN FILE NAMES 49
5.9 ASSIGN FILES 51
5.10 READ DATA 51
5.10.1 DISPLAY READ DATA 52
5.11 Convert Data 52
5.11.1 GENERAL REMARKS 52
5.11.2 Additional Function for BAPI/IDoc 53
5.12 Display Converted Data 54
5.13 IMPORT DATA 54
5.13.2 IMPORT DATA WITH DIRECT INPUT 54
5.13.3 Import Data with BAPI or IDoc Technique 55

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