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For enterprises that depend on “SAP ERP systems” to manage their business operations, one common question must arise: “Why migrate from SAP ECC to SAP S/4HANA?”.
Even though the migration takes time, the final decision of most organizations is: “Migrating to SAP S/4HANA”.
But what makes SAP S/4HANA the right choice?
This blog helps you to understand why enterprises are migrating to SAP S/4HANA.
What is SAP ECC?
SAP ECC (ERP Central Component) is an on-premise ERP system of SAP that helps businesses manage core processes like finance, supply chain, human resources, manufacturing, and so on. It was used as a solution for integrating and managing business operations.
SAP ECC was once the backbone of business management for many enterprises. However, SAP ECC become outdated as SAP S/4HANA has stepped in with advanced features and capabilities.
Deadline:
In 2020, SAP initially that support for SAP ECC would end by 2025, but later it extended the deadline to 2027. The purpose of the deadline extension is – the business will get more time to migrate to SAP S/4HANA.
The updated timeline for SAP ECC maintenance:
End of Mainstream Maintenance (2025):
Mainstream maintenance for SAP ERP 6.0 without enhancement packages, as well as versions with enhancement packages 1 to 5, will end on December 31, 2025.
Extended Deadline for Latest Versions (2027):
Mainstream maintenance for SAP ERP 6.0 with enhancement packages 6, 7, and 8 will end on December 31, 2027.
Optional Extended Maintenance (2030):
An optional extended maintenance phase for ERP 6.0 with enhancement packages 6, 7, and 8 will end on December 31, 2030.
What is SAP S/4HANA?
SAP S/4HANA is an advanced modern ERP suite of SAP. It is a flexible solution available both on-premise and in the cloud-based ERP system. It is designed to manage the core business processes in real-time. It features a simple user interface and multiple advanced capabilities that improve operational efficiency across various business functions.
Importance of staying up-to-date with SAP’s modern cloud-based solutions
The modern business landscape demands agility and continuous upgrades. Since the SAP’s latest advancements are exclusive to S/4HANA and not available in SAP ECC, it is less suitable for modern ERP needs. Hence migrating to S/4HANA become the best way to align with the latest ERP innovations.
The advantages that boost the value of adopting SAP S/4HANA are:
- Access to the latest innovations and advanced features that enhance business efficiency and competitiveness.
- Faster data processing and real-time analytics.
- Flexible scalability to adapt easily to growing or changing business demands.
- Reduced operational costs, as there is no need for extensive hardware maintenance and upgrades.
- Data loss prevention and data protection with stronger security measures, compliance features and regular updates.
- Automatic updates and consistent maintenance will minimize system downtime and issues.
- Future-readiness capability supports businesses to be prepared for technological advancements and industry shifts.
The importance of adopting SAP S/4HANA is high, as it offers more advantages to meet modern business needs and address the ECC’s limitations.
Limitations of SAP ECC
SAP ECC relies on traditional database systems and this system architecture doesn’t support real-time data processing. Hence there were delays in updates, data processing and response time.
ECC’s modular architecture and client-server design can cause data redundancies. It leads to additional storage and data inefficiencies.
SAP ECC is compatible with various databases like DB2, Oracle, SQL Server, and SAP MaxDB. However, as these databases continue to advance SAP ECC outdated architecture struggles to keep up with modern database advancements leading to a less-than-optimal user experience.
SAP ECC does not support advanced technologies like Machine Learning, AI, embedded analytics, and robotic process automation.
ECC lacks flexibility which leads to complications during system upgrades, add-on integrations, or configuration changes. A change in one part of the landscape can affect other components which disturbs the significant business functions. Proper testing and careful planning are required for smooth transitions and system modifications.
- With in-memory computing, SAP S/4HANA offers real-time analytics and reporting.
- Streamlined system architecture reduces complexities in business operation and operational costs.
- Integrate with advanced technologies such as Artificial Intelligence (AI), Machine Learning (ML), Embedded Analytics, and Robotic process automation (RPA).
- Flexible deployment options across public, private, and hybrid cloud environments.
- Scalability helps to manage increasing business demands and large data volumes easily.
SAP ECC Vs SAP S/4HANA
Feature | SAP ECC | SAP S/4HANA |
Database | Compatible with multiple databases (DB2, Oracle, SQL Server, SAP MaxDB) | Runs exclusively on the SAP HANA database for real-time processing |
Data Processing | Batch processing with delayed updates | Real-time data processing and analytics with in-memory computing |
Advanced Technologies | Does not support AI, ML, or embedded analytics | Supports AI, ML, embedded analytics, and RPA |
Deployment Options | On-premise | Supports cloud, on-premise, and hybrid deployments |
Architecture | Modular and complex with separate components | Simplified and integrated architecture with reduced complexity |
Customization | Highly customizable but complex to manage | More flexible and easier to customize with better integration capabilities |
System Upgrades | Lengthy and complex upgrade cycles | Faster and smoother upgrades with less disruption |
Scalability | Limited scalability for large volumes | Highly scalable, designed to handle large data volumes and growing demands |
Support Timeline | Support ends by 2027 | Continuous updates and long-term support (up to 2040) |
Enterprises are migrating from SAP ECC to S/4HANA as ECC’s limitations slow down their business progress, while S/4HANA brings advancements that support modern business needs.
SAP ECC to S/4HANA Migration Phases
Choosing S/4HANA is a big decision, but it’s just the beginning. The migration is a multi-phase process that needs careful execution for a smooth transition.
Following are the essential stages of the migration process.
Pre-Conversion Phase:
Before transitioning to SAP S/4HANA, different conditions will be examined for the SAP ECC system such as SAP Version, system stack, unicode system, Customer/Vendor integration, system specifications simplification item catalog and so on.
Assessment Phase:
In this phase, the organization have to explore and understand the features, functionalities, modules, and workflows of SAP S/4HANA. This step helps the ECC users to choose the most suitable modules, functionalities, and deployment options among the various versions of the SAP S/4HANA system.
The migration team will assess the custom code, data volume, and business operations to address the gap between ECC and S/4HANA through the transition.
Preparation Phase:
During this phase, the migration team will design a structured migration approach. This process includes data management, maintenance planning, readiness checks, and code quality assurance.
Data Analysis and Classification:
To optimize the migration process, it is essential to categorize the data based on its importance and usage.
The data will be analyzed and classified into
- Hot Data: Frequently accessed and important data. It will be transferred and stored in the S/4HANA system for high performance and quick access.
- Warm Data: Less frequently accessed but still relevant data. It will be stored in the S/4HANA system database, balancing performance and storage efficiency.
- Cold Data: Infrequently accessed or historical data. It will be archived as legacy data to reduce load on the live system while optimizing resources.
Data Cleansing:
Once data is classified, the data will be cleansed to improve its quality and ensure migration accuracy. Data cleansing is a process of removing duplicate records, standardizing formats for consistency, validating data accuracy using predefined rules, and correcting errors to meet quality standards. This process helps for a smooth transition to SAP S/4HANA.
Maintenance Planner:
This is a planning process which strategizes for updates and new installations in the SAP system.
Code Quality Assurance:
ABAP Test Cockpit (ATC): This toolset performs static code analysis on ABAP programs to ensure compliance with quality, performance, and security standards, aligning custom code with SAP S/4HANA best practices and identifying potential issues early in development.
Custom Code Migration App: This SAP Fiori tool simplifies migrating custom code from legacy systems to SAP S/4HANA. It detects compatibility issues, recommends necessary changes, and ensures the code is optimized according to SAP best practices for the new system.
Readiness Check:
SAP Readiness Check assesses the compatibility of the existing SAP ECC system for migration to S/4HANA. It identifies custom code incompatibilities and data volume optimization needs. It helps to simplify the ECC system items suitable to the S/4HANA version.
Once these steps are completed, the ECC system will be effectively prepared for the transition, ensuring a smooth migration to S/4HANA.
Technical Conversion Phase:
The Software Update Manager (SUM) will be used to execute the software maintenance tasks and upgrade the ECC system to a recent version of the SAP system. Also further conversion activities such as data migration, and system configuration will be performed during this phase.
S/4HANA Transformation Phase:
This phase will execute the conversion of SAP ECC system to S/4HANA system. It includes the final technical steps necessary to migrate and optimize the system for the new environment.
Conclusion
To make a decision, there must be a purpose. While a clear purpose drives business decisions, evaluating the pros and cons helps in making the right choices. Hence, the advantages of SAP S/4HANA are acting as the driving force of enterprises to choose migration from SAP ECC to S/4HANA.
