Frank Densborn is a product manager for SAP Rapid Deployment solutions in the technology area, focusing on data migration and cloud integration. Frank is the package owner of SAP's Rapid Data Migration rapid-deployment solution packages and is also working on integrating SAP's cloud solutions with the on premise world. He joined SAP in 2004 holding various roles in development, education, support, and product management.Martina Höft works in SAP S/4HANA product management in the area of data migration and data transformation, with a focus on the SAP S/4HANA migration cockpit. She has been working for SAP since 2011 and has held various positions in consulting and product management. Previously, Martina Höft worked as a senior consultant on numerous national and international projects for various consulting companies. Here, she focused on SAP Customer Relationship Management (SAP CRM) and sales and distribution with SAP. Martina is a trained office administrator and studied economics.Kim Mathäß leads product management for SAP S/4HANA cross topics, which is responsible for data management and migration for SAP S/4HANA. He is responsible for the further development of tools and solutions for the transition to SAP S/4HANA. Kim Mathäß conducts lectures and sessions on SAP S/4HANA transition scenarios and migration regularly at national and international conventions. Kim Mathäß joined SAP in 2006 and has held various roles and positions. As a senior consultant and business development manager, he has conducted numerous projects at both international enterprises and medium-sized corporations in Europe. His experience ranges from SAP new implementations to the subsequent adjustment of systems and system landscapes. These projects include system consolidations, mergers and acquisitions, and divestitures, as well as traditional data migrations from SAP and non-SAP systems.Dr. Boris Rubarth has been working for SAP since 1999. Today, he is a product manager in software logistics. There he is responsible for the Software Update Manager and manages the knowledge transfer to the SAP Community and user groups. Previously, he worked as a training consultant in the area of ABAP and interfaces for many years. Subsequently, he led the product management team for the Application Server ABAP. Dr. Boris Rubarth has created countless blogs and SAP training courses on SAP topics and is author of several books. He gives regular lectures on system conversion at national and international conventions. Dr. Boris Rubarth studied physics at the Universities of Hamburg and Hannover, Germany, and holds a doctorate from the University of Oldenburg, Germany.

((2nd edition, updated and expanded))

... 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