Table of Contents

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Notes on Usage

Table of Contents

Preface

Introduction

Part I   Basic Principles

1   SAP S/4HANA—Requirements and Benefits

1.1   Future Business Challenges

1.1.1   Digitization of Business Processes

1.1.2   Trends of the Digital Transformation

1.2   The Pledge of SAP S/4HANA

1.2.1   Simplification of the Functionality

1.2.2   Simplification of the Data Structure

1.2.3   Simplified User Interfaces

1.2.4   Simplified Analyses

1.3   Business Functions in SAP S/4HANA

1.3.1   Accounting

1.3.2   Logistics

1.3.3   Human Resources

1.3.4   Procurement

1.3.5   Marketing

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

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

2.2   Simplification

2.3   The New Data Model and the SAP HANA Database

2.3.1   SAP HANA

2.3.2   The Data Model

2.3.3   Handling Existing Data

2.3.4   Sizing

2.4   SAP Fiori User Interfaces

2.4.1   Technological Changes

2.4.2   Operating Concept

2.5   Interfaces

2.6   SAP S/4HANA Embedded Analytics

3   Cloud, On-Premise, and Hybrid Scenarios

3.1   Overview of Operating Models

3.1.1   On-Premise Operating Model

3.1.2   Cloud Operating Model

3.1.3   Hybrid Operating Model

3.2   The SAP S/4HANA Product Family

3.2.1   SAP S/4HANA, On-Premise

3.2.2   SAP S/4HANA Cloud

3.2.3   SAP HANA Enterprise Cloud

3.3   Comparing the Operating Models

3.3.1   Hardware, Software, Operation, and Maintenance

3.3.2   User Interfaces

3.3.3   Functional Scope and Supported Country Versions

3.3.4   Options for Enhancement

3.3.5   Payment Model and Runtime

3.3.6   Model for Migration to SAP S/4HANA

3.4   Extensibility in SAP S/4HANA

3.4.1   Side-by-Side Enhancements

3.4.2   In-App Enhancements

3.4.3   Checking Custom Enhancements When Migrating to SAP S/4HANA

4   Preparing the Migration to SAP S/4HANA

4.1   Basic Considerations

4.2   The Three Migration Scenarios

4.2.1   New Implementation of SAP S/4HANA

4.2.2   System Conversion to SAP S/4HANA

4.2.3   Landscape Transformation with SAP S/4HANA

5   SAP Activate

5.1   SAP Activate Content

5.1.1   SAP Best Practices

5.1.2   Guided Configuration

5.1.3   SAP Activate Methodology

5.2   SAP Activate Phases

6   Trial Systems and Model Company

6.1   Trial System in the SAP Cloud Appliance Library

6.2   SAP S/4HANA Fully-Activated Appliance

6.3   Solution Scope of the Model System

6.4   Enterprise Structure of the Model Company

Part II   Migrating to SAP S/4HANA in the Cloud

7   Migrating to the Public Cloud

7.1   Setting Up SAP S/4HANA Cloud

7.1.1   Discover Phase: Configuring the SAP S/4HANA Cloud Trial System

7.1.2   Explore Phase: Configuring the SAP S/4HANA Cloud Starter System

7.1.3   Realize Phase: Configuring the SAP S/4HANA Cloud Quality Assurance System

7.1.4   Deploy Phase: Configuring the SAP S/4HANA Cloud Production Systems

7.2   Configuring SAP S/4HANA Cloud

7.3   Migrating Data to SAP S/4HANA Cloud

7.3.1   Available Migration Objects

7.3.2   Data Migration Using the SAP S/4HANA Migration Cockpit

8   Integrating SAP S/4HANA Cloud into the System Landscape

8.1   Integration with SAP Ariba Solutions

8.1.1   Integration Scenarios in Procurement and Accounts Payable

8.1.2   License Prerequisites and Provision of SAP Ariba System Accesses

8.1.3   Executing an Integration Project with SAP Activate

8.1.4   Integration Settings in SAP S/4HANA Cloud

8.1.5   Configuration in SAP Ariba

8.1.6   Testing the Integrated Business Processes and Going Live

8.1.7   Outlook

8.2   Integration with SAP SuccessFactors

8.2.1   Configuration in SAP S/4HANA Cloud

8.2.2   Configuration in SAP Cloud Platform Integration

8.2.3   Configuration in SAP SuccessFactors Employee Central

8.3   Integration with SAP Hybris Marketing Cloud

8.3.1   SAP Hybris Marketing Cloud Data Model

8.3.2   Integration with SAP ERP Systems

8.3.3   Importing Data from External Systems

8.3.4   Importing Data from Social Media

8.3.5   Integration of SAP Hybris Cloud for Customer Systems

Part III   Migrating to SAP S/4HANA On-Premise

9   Installing and Configuring SAP S/4HANA On‐Premise or in the Private Cloud

9.1   Installation

9.2   System Configuration

9.3   Setting Up the Frontend Server for SAP Fiori User Interfaces

9.3.1   On-Premise Installation of the Frontend Server

9.3.2   SAP Fiori Cloud

10   System Conversion

10.1   Overview of the System Conversion Project

10.1.1   System Conversion Process

10.1.2   System Group Conversion

10.2   Converting Single Systems

10.2.1   System Requirements

10.2.2   Simplification List

10.2.3   Maintenance Planner

10.2.4   Prechecks

10.2.5   Adapting Custom Developments

10.2.6   Database Sizing for SAP S/4HANA

10.2.7   Using Software Update Manager

10.2.8   Migrating to SAP Fiori User Interfaces

11   New Implementation of Single Systems

11.1   Data Migration Phases

11.1.1   Data Analysis

11.1.2   Mapping

11.1.3   Implementation

11.1.4   Testing

11.1.5   Data Validation

11.1.6   Data Cleansing

11.1.7   Productive Load and Support

11.2   Supported Migration Objects

11.3   Rapid Data Migration

11.3.1   Tools

11.3.2   Architecture

11.3.3   Migration Content

11.3.4   Connecting to Source Systems

11.3.5   Data Profiling

11.3.6   Field Mapping

11.3.7   Value Mapping and Conversion Tables

11.3.8   Data Validation

11.3.9   Importing Data

11.3.10   Monitoring

11.3.11   Optimizing IDoc Performance

11.4   SAP S/4HANA Migration Cockpit

11.5   SAP S/4HANA Migration Object Modeler

11.5.1   Edit Source Structures

11.5.2   Display Target Structures

11.5.3   Display Structure Mapping

11.5.4   Edit Field Mapping

11.5.5   Technical Functions

11.5.6   Advanced Activities

11.6   Comparison of Migration Tools

12   Landscape Transformation

12.1   The Three Transformation Scenarios

12.2   Carrying Out a Transformation Project

12.2.1   Preanalysis and Planning

12.2.2   Blueprint and Project Team

12.2.3   Test Runs

12.2.4   Production Conversion

12.2.5   Support after Go-Live

12.3   System Consolidation

12.4   Company Code Transfer

12.5   Transformation to Central Finance

12.5.1   Implementing SAP S/4HANA Central Finance

12.5.2   Global Parameters

12.5.3   Master Data

12.5.4   Mapping, Error Handling, and Initial Data Load

13   Integrating SAP S/4HANA, On-Premise, into the System Landscape

13.1   Integration with SAP Ariba Solutions

13.1.1   Integrated Business Processes with SAP Ariba Solutions and SAP S/4HANA

13.1.2   Technical Integration of SAP S/4HANA with SAP Ariba

13.2   Integration with SAP ERP HCM and SAP SuccessFactors

13.2.1   ALE Integration with SAP ERP HCM

13.2.2   Integration of SAP ERP HCM within the SAP S/4HANA Instance

13.2.3   Integration with SAP SuccessFactors Employee Central

13.2.4   Synchronizing Employee Data with Business Partners

13.3   Integration with Existing SAP Systems

Part IV   Assessing the Transformation Scenarios

14   Selecting Your Migration Scenario

14.1   Overview of Procedures and Input Helps

14.2   Creating Your Own Roadmap

14.2.1   Initial Scenario: Single System

14.2.2   Initial Scenario: Decentralized System Landscape

14.2.3   Sample Roadmaps

14.3   The Most Important Criteria for Your Decision

14.4   Conclusion

The Authors

Index

Service Pages

Legal Notes