Name: SAP S/4HANA System Conversion Guide
Brand: SAP
SKU: BOOK-SAPPRESS-EBOOK-2020-9781493219452

Language

🇺🇸 English

Publisher SAP PRESS

Year / Edition 2020 / 1

Pages 537

Authors Mark Mergaerts, Bert Vanstechelman

SAP S/4HANA System Conversion Guide

If you’re performing a brownfield migration from an existing SAP ERP system, this is the technical guide for you! From planning the project and preparing your system to adjusting custom code and executing the conversion, you’ll get step-by-step instructions for all stages of your implementation. Troubleshooting tips and extensive coverage of the functional conversion will help you ensure that all your data makes it to where it needs to be. The time to move to SAP S/4HANA is here!

Plan and prepare for the migration from SAP ERP to SAP S/4HANA
Walk through the complete technical conversion process and adapt custom code and business functions for SAP S/4HANA
Learn about essential functional conversion steps for finance, logistics, and more

You'll learn about:

Plan Your Project:
Understand SAP S/4HANA’s architecture, the conversion tools, and the conversion strategy. Plan your project to reduce downtime and ensure an efficient system implementation.
Adjust Your System:
Make modification adjustments as necessary to adapt to the new standard object in SAP S/4HANA. Evaluate and remove obsolete code and update custom code for the new system.
Execute Your Migration:
Get a rundown of the Software Update Manager (SUM) and then perform your conversion. Step-by-step instructions and screenshots detail each activity, from preprocessing and finalization through to the functional conversion.

Key Highlights:

Brownfield implementation
Readiness checks
Simplification list
Project planning
Conversion roadmap
Software Update Manager (SUM)
Preprocessing, execution, and postprocessing
Modification adjustment
Custom code migration
Functional conversion
Troubleshooting

View Full Table of Contents

Acknowledgments
Preface
- Who Is This Book For?
- How This Book Is Organized
- Terminology
- Conclusion
1 Introduction to SAP S/4HANA
- 1.1 New Possibilities, Features, and Functionality
- 1.2 SAP S/4HANA in the Cloud versus On-Premise
- 1.3 New Implementation, System Conversion, and Transformation Scenarios
  - 1.3.1 Migration Scenarios
  - 1.3.2 Choosing Your Approach
- 1.4 Simplification
  - 1.4.1 Technical and Functional Simplifications
  - 1.4.2 SAP HANA Column Store
- 1.5 Conversion Methodology
  - 1.5.1 Preparation Phase
  - 1.5.2 Executing the Preparation Activities
  - 1.5.3 Sandbox Conversion
  - 1.5.4 Landscape Conversion
  - 1.5.5 Postconversion
- 1.6 SAP S/4HANA Transformation Enablers
  - 1.6.1 SAP Business Scenario Recommendations for SAP S/4HANA
  - 1.6.2 SAP Innovation and Optimization Pathfinder
  - 1.6.3 SAP Transformation Navigator
  - 1.6.4 SAP Roadmap Viewer
  - 1.6.5 SAP Best Practices and SAP Model Company
- 1.7 Summary
2 Architecture, Tools, and Strategy
- 2.1 SAP S/4HANA Architecture
  - 2.1.1 Technical Components
  - 2.1.2 Core Releases
  - 2.1.3 Corrections and Enhancements
- 2.2 SAP S/4HANA and SAP Fiori
  - 2.2.1 Deployment Options
  - 2.2.2 Impact of Conversion on SAP Fiori
- 2.3 SAP Solution Manager and SAP S/4HANA
  - 2.3.1 Scope and Effort Analyzer
  - 2.3.2 Usage and Procedure Logging
  - 2.3.3 Custom Code Management
  - 2.3.4 Data Volume Management
- 2.4 Maintenance Planner
- 2.5 SAP Readiness Check
  - 2.5.1 Verification and Prerequisites
  - 2.5.2 Installing SAP Readiness Check
  - 2.5.3 Collecting the Data
  - 2.5.4 Verifying the Results
- 2.6 Simplification Item Check
  - 2.6.1 Simplification Item Information
  - 2.6.2 Running the Simplification Item Check
  - 2.6.3 SAP Readiness Check versus the Simplification Item Check
- 2.7 Sizing for SAP HANA
- 2.8 Software Update Manager
  - 2.8.1 System Switch Upgrade
  - 2.8.2 Database Migration Option
  - 2.8.3 Performing the DMO with System Move
  - 2.8.4 Additional Options for Reducing Downtime
- 2.9 Database- and Operating System-Specific Aspects
  - 2.9.1 Unsupported Operating Systems
  - 2.9.2 Multiple Components in One Database
  - 2.9.3 Update of Dual-Stack Systems
- 2.10 Upgrading the Frontend Software
  - 2.10.1 SAP GUI’s Lifecycle
  - 2.10.2 Version Selection
  - 2.10.3 Introducing Belize
- 2.11 SAP Landscape during Conversion
  - 2.11.1 Scenario 1: The Sandbox System
  - 2.11.2 Scenario 2: Extra Development and Quality Assurance Systems
  - 2.11.3 Scenario 3: Contingency System
- 2.12 Summary
3 Project Planning
- 3.1 Why Convert to SAP S/4HANA?
  - 3.1.1 SAP Strategy
  - 3.1.2 Outdated SAP Version
  - 3.1.3 Release Support and Maintenance Costs
  - 3.1.4 Enhancement Package Installation versus Converting to SAP S/4HANA
  - 3.1.5 Upgrading Is a Normal Activity
- 3.2 Factors Influencing Conversion Complexity
  - 3.2.1 Technology-Related Factors
  - 3.2.2 Development-Related Factors
  - 3.2.3 Business-Related Factors
  - 3.2.4 Project-Related Factors
  - 3.2.5 Forgotten Factors
- 3.3 Estimating the Effort
  - 3.3.1 Technical Conversion to SAP S/4HANA
  - 3.3.2 Modification to SAP Objects
  - 3.3.3 Custom Developments
  - 3.3.4 Functional Effort
  - 3.3.5 Obsolete Transactions
- 3.4 Project Team
  - 3.4.1 Project Management Team
  - 3.4.2 Technical Conversion Team
  - 3.4.3 Functional Work Groups
  - 3.4.4 Internal versus External Team
- 3.5 Conversion Project Steps
  - 3.5.1 Conversion Scope
  - 3.5.2 Planning Levels
  - 3.5.3 Critical Success Factors
  - 3.5.4 Scheduling the Conversion
- 3.6 Conversion Plan
  - 3.6.1 SAP Activate for System Conversions
  - 3.6.2 Master Project Plan
  - 3.6.3 Action Plan
  - 3.6.4 Status Reporting
- 3.7 Testing Phase
  - 3.7.1 Test Focus
  - 3.7.2 Test Scenarios
  - 3.7.3 Test Stages and Test Progression
  - 3.7.4 Automated Testing
- 3.8 Summary
4 Preparing the Conversion
- 4.1 Introducing the Tools: SUM and DMO
- 4.2 Conversion Documentation
  - 4.2.1 Software Logistics Toolset
  - 4.2.2 Collecting the Documentation
  - 4.2.3 Keeping Documentation Up to Date
  - 4.2.4 Creating Your Own Documentation
- 4.3 Conversion Software
  - 4.3.1 Stack XML File
  - 4.3.2 Download Basket and SAP Download Manager
  - 4.3.3 Download Directory
- 4.4 Maintenance Planner
  - 4.4.1 When to Run the Maintenance Planner
  - 4.4.2 Starting the Maintenance Planner
  - 4.4.3 Choosing the Conversion Path
  - 4.4.4 Identifying the Backend and Frontend Systems
  - 4.4.5 Evaluating Errors and Continuing the Plan
  - 4.4.6 Viewing Target Software List
  - 4.4.7 Selecting Files
  - 4.4.8 Downloading the Stack XML File
  - 4.4.9 Setting Session as Complete
  - 4.4.10 Reviewing and Changing a Transaction
- 4.5 Preparations in the SAP ERP System
  - 4.5.1 Setting a User ID for the Conversion
  - 4.5.2 Applying SAP Notes
  - 4.5.3 Updating Transaction SPAM/Transaction SAINT
  - 4.5.4 Checking Pool and Cluster Tables
- 4.6 Final Preparations
  - 4.6.1 Downloaded Stack and Stack XML File
  - 4.6.2 Certificate Revocation List
  - 4.6.3 SAP HANA Client
  - 4.6.4 License Key
  - 4.6.5 Migration Key
- 4.7 Preparing SUM
  - 4.7.1 Download the Latest SUM Version
  - 4.7.2 Creating the SUM Directory
  - 4.7.3 Extracting SUM
  - 4.7.4 Registering SUM with SAP Host Agent
  - 4.7.5 Starting SUM
  - 4.7.6 SUM Observer
  - 4.7.7 MailNotifier
- 4.8 Summary
5 Converting the System
- 5.1 Planning the Conversion
  - 5.1.1 Conversion of a Sandbox System
  - 5.1.2 Conversion of the Development System
  - 5.1.3 Conversion of the QA system
  - 5.1.4 Conversion of the Production System
- 5.2 Starting the Conversion with SUM
  - 5.2.1 Roadmap Steps
  - 5.2.2 Initial Steps
  - 5.2.3 Required Passwords
  - 5.2.4 Results and Cleanup
- 5.3 Roadmap Step: Extraction
- 5.4 Roadmap Step: Configuration
  - 5.4.1 Process Parameters
  - 5.4.2 Parameters for SAP HANA
  - 5.4.3 Languages and SDMI
  - 5.4.4 Check Required Notes
  - 5.4.5 Support Packages to Include
  - 5.4.6 Modification Adjustment Transports
  - 5.4.7 Shadow Instance
- 5.5 Roadmap Step: Checks
  - 5.5.1 Save Variants
  - 5.5.2 Security Profile Parameters
  - 5.5.3 Open Update Requests
- 5.6 Roadmap Step: Preprocessing
  - 5.6.1 Inactive Objects and Open Repairs
  - 5.6.2 Development and Transport Lock
  - 5.6.3 Database Import Phase
  - 5.6.4 Start of Shadow Instance
  - 5.6.5 Manually Managing the Shadow Instance
  - 5.6.6 Stop for Modification Adjustment
  - 5.6.7 Activation Phase ACT_UPG
  - 5.6.8 Activation Errors
  - 5.6.9 Repeat the Activation
  - 5.6.10 Final Phases
  - 5.6.11 End of Uptime
- 5.7 Preparing for Downtime
  - 5.7.1 SAP System Action
  - 5.7.2 Server-Level and Database-Level Actions
- 5.8 Final Preprocessing Steps
  - 5.8.1 Backup Request for SUM
  - 5.8.2 Switch SAP HANA Log Mode
- 5.9 Roadmap Step: Execution
  - 5.9.1 Logging On during Downtime
  - 5.9.2 Unlocking the System
  - 5.9.3 Database Cloning
  - 5.9.4 Repeat Cloning (with Test Cycle)
  - 5.9.5 Period without Interaction
  - 5.9.6 EU_SWITCH Phase
  - 5.9.7 Additional Downtime Phases
  - 5.9.8 End of Downtime
- 5.10 Roadmap Step: Postprocessing
  - 5.10.1 Stop for SPAU Modifications
  - 5.10.2 Cleanup Processing
  - 5.10.3 No Active Imports
  - 5.10.4 Create Evaluation
  - 5.10.5 Save Upgrade Logs
  - 5.10.6 Procedure Completion
- 5.11 SUM Special Features
  - 5.11.1 Conversion Logfiles
  - 5.11.2 Setting Breakpoints
  - 5.11.3 SUM Utilities
- 5.12 Postconversion Activities
  - 5.12.1 Database Backup
  - 5.12.2 SAP and Database Parameters
  - 5.12.3 Actions for the SAP Kernel
  - 5.12.4 Selectively Release Some Background Jobs
  - 5.12.5 Transport Landscape Changes
  - 5.12.6 ABAP Load Generation: Transaction SGEN
  - 5.12.7 Imports of Transport Requests
  - 5.12.8 Nonfatal Errors: Type P
  - 5.12.9 Language Postprocessing
  - 5.12.10 Changes to Roles and Authorizations
  - 5.12.11 SAP_NEW Profile and Role
  - 5.12.12 Release Change Requests Opened during the Conversion
  - 5.12.13 System and Client Change Options
  - 5.12.14 Unlock Users
  - 5.12.15 Restart Interfaces
  - 5.12.16 Release Background Jobs
  - 5.12.17 Clean Up Directories
  - 5.12.18 Preserve the Source Database
- 5.13 Post Go-Live
- 5.14 Troubleshooting
  - 5.14.1 Error Stops in SUM
  - 5.14.2 Failed Background Jobs
  - 5.14.3 Resetting the Conversion
- 5.15 Summary
6 Modification Adjustment
- 6.1 Modification Adjustment Transactions
- 6.2 Preparing and Running Transaction SPDD
  - 6.2.1 Repository Modification
  - 6.2.2 Logging on to the Shadow Instance
  - 6.2.3 Creating a User for the Modification Adjustment
  - 6.2.4 Enable Development Changes
  - 6.2.5 Log on to the Primary System
  - 6.2.6 Checking for Possible Data Loss
  - 6.2.7 Run Transaction SPDD
- 6.3 Transaction SPDD Object List
- 6.4 Transaction SPDD Transport Request
- 6.5 Adjusting Objects
  - 6.5.1 General Procedure
  - 6.5.2 Data Elements and Domains
  - 6.5.3 Customer Fields in SAP Tables and Structures
  - 6.5.4 Field Format Changes
  - 6.5.5 Technical Settings
  - 6.5.6 Processing Deleted Objects
- 6.6 Final Steps
  - 6.6.1 Registering the Transaction SPDD Transport for Later Use
  - 6.6.2 Start Activation
- 6.7 Transaction SPAU
- 6.8 Transaction SPAU_ENH
- 6.9 Summary
7 Custom Code Management
- 7.1 Custom Code Management Process
- 7.2 Impact of SAP HANA
- 7.3 Impact of Simplification
  - 7.3.1 Access to Deleted Repository Objects
  - 7.3.2 Access to Disabled Repository Objects
  - 7.3.3 Adjusted Field Lengths
  - 7.3.4 Append Structures
- 7.4 Enabling the ABAP Test Cockpit
  - 7.4.1 Version and System Requirements
  - 7.4.2 Custom Code Adaption Process
  - 7.4.3 Installation and Configuration
- 7.5 Custom Code Analysis in the Preparation Phase
  - 7.5.1 Collecting Usage Data
  - 7.5.2 Custom Code Migration App
  - 7.5.3 Analyzing the Results
  - 7.5.4 Changing the Scope of the Migration Project
  - 7.5.5 Removing Unused Custom Code during the Conversion
- 7.6 Custom Code Adaptation after the Conversion
  - 7.6.1 Enable the ABAP Test Cockpit
  - 7.6.2 Adapting Custom Code in ABAP Development Tools
- 7.7 Custom Code Adaptation as an Ongoing Process
  - 7.7.1 Runtime Check Monitor
  - 7.7.2 Performance and Tuning Using the SQL Monitor
- 7.8 Summary
8 Functional Conversion
- 8.1 Business Partners
  - 8.1.1 Impact of Conversion
  - 8.1.2 Preparation Phase
  - 8.1.3 Synchronization Phase
  - 8.1.4 Postprocessing
- 8.2 Financials and Accounting
  - 8.2.1 Impact of the Conversion
  - 8.2.2 Check and Reconcile Your Data
  - 8.2.3 Preparation and Migration of Customizing
  - 8.2.4 Migration Activities
  - 8.2.5 Postprocessing Activities
- 8.3 Credit Management
  - 8.3.1 Impact of the Conversion
  - 8.3.2 Starting Points
  - 8.3.3 Migration Overview
- 8.4 International Trade and Trade Finance
  - 8.4.1 Intrastat with SAP S/4HANA International Trade
  - 8.4.2 Migration to Trade Finance
- 8.5 Logistics
  - 8.5.1 Impact of the Conversion
  - 8.5.2 Preparation Steps
  - 8.5.3 During the Conversion
  - 8.5.4 Postconversion Steps
- 8.6 Sales and Distribution
- 8.7 SAP Business Warehouse
- 8.8 Cleaning Up Obsolete Data after the Conversion
- 8.9 Summary
A References
- A.1 SAP Notes
  - A.1.1 Chapter 2: Architecture, Tools, and Strategy
  - A.1.2 Chapter 3: Project Planning
  - A.1.3 Chapter 4: Preparing the Conversion
  - A.1.4 Chapter 5: Converting the System
  - A.1.5 Chapter 6: Modification Adjustment
  - A.1.6 Chapter 7: Custom Code Management
  - A.1.7 Chapter 8: Functional Conversion
- A.2 SAP Installation and Documentation Manuals
- A.3 SAP Service Marketplace
- A.4 Other Online Resources
B The Authors
- The Contributors
Index

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SAP S/4HANA System Conversion Guide

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SAP S/4HANA System Conversion Guide

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