... Preface ... 17

... Introduction ... 19

... Who This Book Is For ... 20

... Structure of This Book ... 20

Part I ... SAP S/4HANA: Basic Principles ... 25

1 ... SAP S/4HANA: Requirements and Benefits ... 27

1.1 ... Future Business Challenges ... 28

1.2 ... The Pledge of SAP S/4HANA ... 38

1.3 ... Business Functions in SAP S/4HANA ... 46

2 ... SAP S/4HANA versus the Traditional SAP Business Suite ... 67

2.1 ... Comparing the Available Solutions: SAP S/4HANA and the Digital Core ... 67

2.2 ... Simplification ... 71

2.3 ... The New Data Model and the SAP HANA Database ... 73

2.4 ... SAP Fiori User Interfaces ... 79

2.5 ... Interfaces ... 85

2.6 ... SAP S/4HANA Embedded Analytics ... 86

2.7 ... Summary ... 88

3 ... Cloud, On-Premise, and Hybrid Scenarios ... 89

3.1 ... Overview of Operating Models ... 90

3.2 ... The SAP S/4HANA Product Family ... 95

3.3 ... Comparing the Operating Models ... 102

3.4 ... Extensibility of SAP S/4HANA ... 107

3.5 ... ABAP-Based Enhancements via SAP BTP, ABAP Environment ... 117

3.6 ... Summary ... 124

Part II ... Preparing for Migration to SAP S/4HANA ... 125

4 ... Which Migration Options Are Available? ... 127

4.1 ... Basic Considerations ... 127

4.2 ... The Three Migration Scenarios ... 132

4.3 ... Summary ... 148

5 ... Selecting Your Migration Scenario ... 149

5.1 ... Overview of Procedures and Input Helps ... 149

5.2 ... Creating Your Own Roadmap ... 156

5.3 ... The Most Important Criteria for Your Decision ... 171

5.4 ... Summary ... 174

6 ... Trial Systems ... 175

6.1 ... The SAP S/4HANA Trial System ... 175

6.2 ... SAP S/4HANA Fully Activated Appliance ... 177

6.3 ... Solution Scope of SAP S/4HANA Fully Activated Appliance ... 180

6.4 ... Summary ... 183

Part III ... Migration through System Conversion According to the Brownfield Approach ... 185

7 ... Preparing System Conversion ... 187

7.1 ... Overview of the System Conversion Project ... 187

7.2 ... System Requirements and Checks ... 195

8 ... Executing System Conversion ... 229

8.1 ... Using Software Update Manager ... 229

8.2 ... Activities after SUM ... 234

8.3 ... Estimating and Reducing the Downtime ... 246

8.4 ... Insights from Previous Customer Projects ... 254

Part IV ... New Implementation and Data Migration According to the Greenfield Approach ... 257

9 ... SAP Activate ... 259

9.1 ... SAP Activate Content ... 260

9.2 ... SAP Activate Phases ... 272

10 ... Installing and Configuring SAP S/4HANA On-Premise or in the Private Cloud ... 277

10.1 ... Installation ... 278

10.2 ... System Configuration ... 284

11 ... Setup and Configuration of SAP S/4HANA Cloud ... 289

11.1 ... Setting Up SAP S/4HANA Cloud ... 289

11.2 ... Configuring SAP S/4HANA Cloud ... 301

11.3 ... Setup and Configuration of SAP S/4HANA Cloud via SAP Central Business Configuration ... 307

12 ... Planning Data Migration ... 317

12.1 ... Data Migration Using SAP Activate ... 318

12.2 ... Data Migration Phases ... 322

12.3 ... Project Planning Using SEAMAP ... 336

12.4 ... Tools for Data Migration Planning ... 342

13 ... SAP S/4HANA Migration Cockpit ... 349

13.1 ... Data Migration Using the SAP S/4HANA Migration Cockpit ... 349

13.2 ... Transfer Option 1: Transferring Data from a File ... 355

13.3 ... Transfer Option 2: Migrate Data Using Staging Tables ... 404

13.4 ... Transfer Option 3: Direct Transfer of Data from an SAP System ... 410

13.5 ... Performance Considerations ... 428

13.6 ... Supporting Applications ... 430

13.7 ... Summary ... 449

14 ... SAP S/4HANA Migration Object Modeler ... 451

14.1 ... General Structure of the SAP S/4HANA Migration Object Modeler ... 452

14.2 ... Modeling for Data Migration using Staging Tables ... 456

14.3 ... Modeling for Transfer Data Directly from SAP Systems ... 495

15 ... Rapid Data Migration ... 519

15.1 ... Tools ... 519

15.2 ... Architecture ... 521

15.3 ... Migration Content ... 524

15.4 ... Connecting to Source Systems ... 531

15.5 ... Data Profiling ... 534

15.6 ... Field Mapping ... 537

15.7 ... Value Mapping and Conversion Tables ... 544

15.8 ... Data Validation ... 551

15.9 ... Importing Data ... 554

15.10 ... Monitoring ... 556

15.11 ... IDoc Performance Optimization ... 558

15.12 ... Summary ... 562

16 ... Comparing Data Migration and Modeling Tools ... 563

16.1 ... Comparing Data Migration Tools ... 563

16.2 ... Comparing Modeling Tools ... 569

16.3 ... Conclusion ... 570

16.4 ... Outlook ... 572

A ... Available Migration Objects ... 573

A.1 ... Data Transfer Using Staging Tables ... 573

A.2 ... Data Transfer Directly from SAP Systems ... 580

B ... The Authors ... 591

... Contributors to This Book ... 593

... Index ... 595