SAP HANA Migration is the procedure by which we must migrate the SAP ERP System from the ECC platform to the HANA platform, which is available both on-premise and in the cloud. SAP HANA Migration is a time-consuming operation that takes several weeks. It is necessary to convert the SAP ECC database to HANA technology to complete this procedure.
Why is it necessary to migrate to SAP S/4HANA
The new S/4HANA system makes use of an in-memory database, while the prior systems made use of an outsourced database. We must transfer all of the data from the old database to the new S/4HANA system since there is so much data in the old database.
As a result, we do data migration in SAP HANA to bring all data under the new platform. In this manner, not only do we reduce the restrictions of the old databases, but we also bring all data into sync and connectivity.
What exactly is the new SAP S/4HANA system?
This is SAP S/4HANA, an upgraded version, a successor, or a new feature of the SAP ERP software suite.
It is built on cloud technology and makes use of an in-memory database to do this. While earlier versions of SAP, such as SAP R/3 and SAP ERP, relied on outsourced databases, which had several disadvantages, the current version does not. This covers issues such as poor performance, slowness, and out-of-date reports, among other things.
Approaches to Migration
There are three approaches to SAP S/4HANA migration that is recommended the most:
Greenfield Approach
“Greenfield” is an architectural and environmental engineering phrase that refers to starting from scratch on land with no previous construction. For S/4HANA, this means either migrating data only or not migrating at all. You decommission legacy customizations and strive to streamline operations.
Full Migration
A full migration strategy is a comprehensive conversion of a current SAP system to SAP S/4HANA, sometimes known as “lift-and-shift.” For any organization that does not use SAP HANA as its database, this scenario entails using SAP Software Update Manager with a database migration option. Enterprises can leverage SAP cloud and SAP partner development tools to solve application customization.
Hybrid Migration
Organizations must assess their current SAP system to identify customized applications, features, and interfaces that are not part of the core. Prior to the migration, businesses can use a low-code platform to create non-standard system components and applications. By doing such work ahead of time, the SAP core is maintained clean, making the migration easier. After that, your company uses S/4HANA for what SAP does best—enterprise resource planning—and other apps for what SAP doesn’t.
What Platform to use?
This must be determined at the outset of the procedure to determine where the SAP HANA will be moved.
On the other hand, we may install HANA on-premises to achieve full control while minimizing risk. Alternatively, we may utilize the cloud to enhance flexibility for business users by providing them with a new user experience.
As a result, each platform has its unique set of characteristics.
But this also relies on the amount of money allocated to each project, the availability of resources, and the time available to the team.
Customers may make use of SAP’s cloud-based solution, known as SAP HANA Enterprise Cloud. For example, an SAP HANA license, original cloud infrastructure, and SAP managed services are all examples of what is available.
The importance of the size of the SAP HANA database.
When creating a project plan, it is essential to consider the size of the SAP HANA in-memory database and its scope.
This is because it assists consumers in obtaining the possible value from their investment and return on investment. Even though you may efficiently compress the DATA in HANA, it is impossible to predict the amount of RAM needed.
As a result, it is always recommended to verify the amount of memory available by running the SAP Quick Sizer tool and running reports and notes.
SAP HANA Migration Process
The following are the procedures that you should take to complete a successful SAP HANA Migration.
It consists of the following phases:-
- Preparatory Phase
- System Requirement
- Maintenance Planner
- Pre-Check
- Custom Code Preparation
- Technical Migration
- Database Migration
- Software Update
- Data Conversion
- Data Customization
- General Ledger
- New Asset Accounting
- Material Ledger
- Bank Accounting
- Controlling
- Data Functional Migration
- Testing
- Go-Live
Benefits of SAP S/4HANA Migration
SAP S/4HANA’s multiple benefits can provide substantial value to both large and small enterprises:
- Faster, more efficient data processing
- Streamlined business processes
- User-friendly design
- Optimized Total Cost of Ownership
- Innovative Technologies
- Forward And Backward Adaptability
- Greater Resilience And Market Relevance
- Enhanced Performance
Factors to consider before and after migration
When considering migration to the SAP S/4HANA, there are several essential factors to consider to propel your success in implementing the tool, so here is what you should do:
Evaluate the SAP S/4HANA about your business needs:
Every user must determine whether the tool is appropriate for their business or not. This may be determined by examining your company’s requirements and studying the system requirements and expenses that will be required for implementation.
- Then you can figure out what your market requirements are and how you can make it effective based on what you have learned.
- These choices enable you to choose the most appropriate ERP systems for your requirements without having to worry about leaving any options unchecked.
- Please make certain that it is compatible with your internal applications: your team is an essential part of your organisation. When implementing a revolutionary technology such as SAP S/4HANA, you must guarantee that everyone in the company is on the same page with the new upgrade, beginning at the highest management level and working your way down to every stakeholder.
- During the implementation, everyone should be aligned and rowing in the same direction at the same time. They must be given the option of selecting either an on-premise or a cloud-based system, depending on how easy it will be to work with and how much maintenance would be required.
- With the SAP S/4HANA platform, the most aligned organization will experience rapid development and success.
Start with reasonable expectations:
When you first start using a new tool, it is essential to have realistic expectations. The majority of in when you first start using a new tool, it is essential to have realistic expectations. The majority of individuals appreciate SAP S/4HANA for its simplicity of use and ability to create value. It may be daunting for those who are just getting started. You may need to invest extra time and money to set it up and have it functioning properly for your company. Plan what you need to accomplish to be realistic and to stay on track with your goals. Adapt to your budget and be eager to take an interest in the changes due to your use of the instrument.
Conclusion
SAP S/4HANA is the most intelligent real-time ERP system available on the market now and in the future. Consequently, businesses have greater possibilities to improve their operations and may build them up from the ground without experiencing any difficulties. Cutting-edge technology makes these procedures simple to perform and eliminates the need for costly study and data gathering. When combined with the in-memory database, the intuitive and mobile-friendly interface accommodates the user’s flexibility, role-specific duties, and access to all information.
Successful migration to SAP S/4HANA is a difficult job that needs careful planning and preparation. Choose your migration strategy and use it to close the gap between you and your rivals as you climb the corporate ladder to success.