Latest Update March 2024: Updated Business performance optimization section: SAP Signavio Process Insights, discovery edition is generally available and so SAP Innovation Optimization Pathfinder on Spotlight was retired on February 15, 2024.
Update November 2023: Added links for SAP S/4HANA 2023 and updated SAP Fiori Front End Server upgrade path.
Update July 2023: Added links and content for SAP Enterprise Support learning programs. Reflected recent changes in the release strategy and maintenance cycles. Added info about self-service Run SAP Fiori Upgrade Impact Analysis and SAP S/4HANA 2022 release.
Update January 2022: Added links about release 2021 and removed info about SAP Fiori Apps Recommendation report, which was discontinued in Q4 2021.
Update September 2021: Added info about a new e-learning including innovations per line of business introduced in SAP S/4HANA 2020 release.
Update July 2021: Added content about SAP Readiness Check for SAP S/4HANA upgrades and the following links:
SAP Readiness Check tool for SAP S/4HANA Upgrades (SAP Community blog post)
‘SAP Readiness Check for SAP S/4HANA Upgrades’ section of SAP Readiness Check page on SAP Help Portal
SAP Note 3059197 – SAP Readiness Check for SAP S/4HANA upgrades
Update May 2021: Added link to the meet-the-expert (MTE) recording: Upgrading SAP HANA 1 to SAP HANA 2: Key steps and recommendations; Updated some links and pictures.
Update October 2020: Added two new meet-the-expert (MTE) sessions taking place in November: Key SAP Fiori consideration Part 2 - Architecture and Hub to Embedded migration (November 3, 2020) and Key SAP Fiori consideration Part 3 - Known impacts and custom code remediation (November 5, 2020); and also added the following SAP Notes:
SAP Note 2943206 - SAP S/4HANA 2020: Restriction Note
SAP Note 2912919 - SAP S/4HANA FOUNDATION 2020: Release Information Note
SAP Note 2912253 - SAP S/4HANA 2020 Feature Package Stack 00: Additional Release Information
SAP Note 2925123 - ABAP Platform 2020 - Restrictions
Think time flies? Well, it certainly feels that way in our industry! Back in November 2020 it was a whole decade since SAP shipped the first version of the SAP HANA database. Since then thousands of companies around the world have benefited from using our revolutionary in-memory database technology.
At the same time, in Q4 2022 we celebrated seven years since SAP released the first version of our new generation ERP solution - SAP S/4HANA (version 1511). While some customers are still evaluating and planning their transition to SAP S/4HANA, many have been using it for some years already. For those customers on one of the earlier releases (e.g. 1709, 1809, etc.), the question of upgrade is becoming increasingly important.
There is huge interest in this topic, reflected in the heavy stream of questions that we are receiving from SAP Enterprise Support customers from around the world in the value map for SAP S/4HANA**. Therefore, our SAP Enterprise Support team have put together this blog post to share information which we hope will enable you to make an informed decision and prepare for your SAP S/4HANA upgrade project.
Below, we would like to draw your attention to some important topics, tools and knowledge resources which should help you to upgrade your SAP S/4HANA system successfully. However, there may be additional aspects you need to consider. In 2020 SAP released the document Upgrading SAP S/4HANA: Why, How, and Best Practices (updated in January 2023) which complements the Upgrade Guide and explains in more detail some topics already mentioned in this blog post and many additional topics related to SAP S/4HANA upgrade that will be of interest to you.
The document was updated in June 2021 with:
Further updates in January 2023 include:
To understand the reasons why you may need to update your SAP S/4HANA system, it makes sense to start with a reminder about the SAP S/4HANA release strategy. As it is stated in the SAP Release and Maintenance Strategy document:
Timewise, SAP currently provides the following maintenance:
You can see a picture illustrating these principles below:
It means that for SAP S/4HANA 1709, 1809, and 1909 on-premise customers: if you do not want to opt for the extended maintenance, and want to keep the system under mainstream maintenance, you need to upgrade to a higher release before 2023 (for 1709 customers), or 2024 (for 1809 customers), or 2025 (for 1909 customers). Note, that if the SAP S/4HANA starting release is already in customer-specific maintenance, a two-step or multistep upgrade may be required; for more information on this scenario, see the Product Availability Matrix (PAM).
The end of mainstream maintenance dates for every release can be found in PAM as well.
Important reminder: on February 4, 2020, SAP announced a maintenance commitment for SAP S/4HANA until the end of 2040. See related press release and SAP Note 2900388.
With the evolution of SAP S/4HANA, some of the products, or part of products of SAP Business Suite (such as SAP CRM or SAP SRM) are now available in SAP S/4HANA.
If you are using those products as standalone systems, you may want to take the opportunity of simplifying your current landscape. This could be another driving factor behind your decision to upgrade to a newer SAP S/4HANA release.
Of course, you need to investigate the pros and cons of doing this within or outside of your SAP S/4HANA upgrade project. You also need to check the availability of all the features you need in the embedded products, since there may be some gaps between them and the standalone products.
As an example, you can consider using SAP EWM or SAP TM functionalities embedded in SAP S/4HANA. You can find more details about this in our value map blog posts below:
If you would like to explore more details about SAP Supply Chain Management, you can visit the SAP Enterprise Support value map for Supply Chain Management Solutions*.
Or you may want to stop using a standalone SAP Fiori front-end server and move to an embedded deployment which is, as it happens, the option recommended by SAP. You can find more details in SAP Fiori Deployment Options and System Landscape Recommendations document or other resources mentioned in ‘SAP Fiori upgrade’ chapter of this post below.
The other reason why you may want to upgrade your SAP S/4HANA system is, of course, to fulfil new business requirements by utilizing innovations, new features and functions available in newer product versions.
Let’s see what tools are available to help you in answering the following important questions:
If you want to get a complete overview of the new, changed and deleted features and functions in recent versions of SAP S/4HANA, your tool of choice is What’s New Viewer at SAP Help Portal. It allows you to select specific SAP S/4HANA versions and view the changes therein, as well as filter by line of business, solution area, change type and scope item.
You can also download the complete list of changes in English or German languages in PDF or HTML formats using the links available on the Additional Formats and Languages page of SAP Help Portal.
Delta simplifications between SAP S/4HANA source and target versions can be found in the Simplification Item Catalog. You can use additional filters to see only those items you are interested in. For example, you can filter by simplification item category.
Business Performance Optimization
Another useful tool is the SAP Signavio Process Insights, discovery edition. This service is available for all customers on SAP maintenance and provides recommendations that are based on the way you are using your SAP S/4HANA system today. Besides tailor-made recommendations on areas of business process improvements and IT optimization potential for your SAP S/4HANA system, it also shows relevant SAP innovations available in newer releases.
In the example below, you can see how this service assesses performance and identifies areas for improvement for the end-to-end process in an SAP S/4HANA system.
You can find more information about SAP Signavio Process Insights, discovery edition in our value map blog post. Additionally, you can check this overview presentation. To understand how you can order the Pathfinder report, please have a look at the how-to guide.
Register for this session to learn how to explore and understand SAP Signavio Process Insights, discovery edition.
For deeper insight into your existing business processes and to understand how to improve their efficiency and hence reduce costs, you can find guidance and relevant knowledge resources in the SAP Enterprise Support value map for Business Process Improvement.
To know which SAP Fiori apps available in the latest SAP S/4HANA release are potentially relevant for you, you can get recommendations from the self-service Run SAP Fiori Upgrade Impact Analysis available in the SAP Fiori App Library. Find more details about this tool via the Learn More link (see image below).
You should also review the SAP Fiori lighthouse scenarios to be inspired by the SAP Fiori apps that bring the best new business value.
If you would like to dig further into the SAP Fiori topic you can find guidance and relevant knowledge resources in corresponding section of SAP Enterprise Support value map for SAP Business Technology Platform*.
Now it is clear why you need to upgrade your SAP S/4HANA system, it is key to prepare for the upgrade properly.
First of all we recommend you to explore the SAP Activate Methodology for SAP S/4HANA Upgrades in the Roadmap Viewer, especially if you don’t have much experience in upgrading SAP systems. This gives you a comprehensive view of an upgrade projects' associated activities, tasks, and deliverables.
You can also view roadmap content in workable sections, as content is assigned to different phases, workstreams, and other criteria. You can filter a variety of tags to display content relevant for your current activities and landscape.
In addition, you can find a project plan there which is built based on this roadmap. It can be, for example, uploaded into SAP Solution Manager for project management. You can use the provided project plan as a starting point for your upgrade project.
In the roadmap you can find a detailed description of each project step.
An upgrade of SAP S/4HANA is often combined with the implementation of additional functionalities. This is the reason why the same roadmap also covers the implementation of additional products which can run embedded in SAP S/4HANA:
SAP Readiness Check for SAP S/4HANA upgrades
SAP Readiness Check for SAP S/4HANA is a self-service tool to help customers assess the current state of an existing SAP ERP system in preparation for the move to SAP S/4HANA. We are happy to inform you that since June 7th, 2021 it can be used for SAP S/4HANA upgrade scenario.
SAP Readiness Check for SAP S/4HANA upgrades includes the following checks:
Follow these links for more information on the available checks and how to implement and execute SAP Readiness Check for SAP S/4HANA upgrades:
Upgrade Guide
Of course, a mandatory document to read in your SAP S/4HANA upgrade project is the Upgrade Guide. You can easily find the link to it on the SAP S/4HANA product page at SAP Help Portal. See how to navigate there on the picture below:
The other important topic which you cannot skip in an SAP S/4HANA upgrade project is the Simplification Item Check.
The Simplification Item Check performs the relevancy and consistency checks based on the content in the Simplification Item Catalog. It analyzes your system with respect to what functionality you use, what transactions you call, what customizing you have etc. And based on this information it shows which functionality you are currently using has been changed in your target SAP S/4HANA release.
The Simplification Item Check is a mandatory check which will be called by Software Update Manager (SUM) when you start the upgrade process. And if there is any error, SUM will stop the process right before the technical downtime until all the issues are fixed. Therefore, it is critical to get Simplification Item Check results on early stages of your project and resolve all identified issues before the upgrade of your productive SAP S/4HANA system.
The Simplification Item Check is done by executing the report /SDF/RC_START_CHECK in your productive SAP S/4HANA system (client 000). You can run it as many times as you need. We recommend you to watch the recording of the meet-the-expert session “SAP S/4HANA Simplification Item Check Explained” (Course ID: SUP_EBW_1280_1910) to get familiar with the Simplification Item Check.
See other useful resources about Simplification Item Check at the end of this blog post.
When looking for information about resources and tools which can help you in preparing your custom code for newer SAP S/4HANA releases, it is good to know that for upgrades within the SAP S/4HANA product family, the process and tools are the same as for the SAP S/4HANA system conversion.
Therefore, for example, the following very good SAP Community blog post of Olga Dolinskaja is relevant and recommended to read:
https://blogs.sap.com/2017/02/15/sap-s4hana-system-conversion-custom-code-adaptation-process/
You can also find useful information in the Custom Code Migration Guide available on the SAP S/4HANA product page at SAP Help Portal (go to ‘Implement’ -> ‘Conversion & Upgrade Assets’ section).
It is important to understand that the custom code adaptation process is not a “one-time procedure” and must be carried out on a regular basis before and after an SAP S/4HANA upgrade project. It should be considered as the regular best practice for SAP S/4HANA as well as for SAP Business Suite and in general all other ABAP-based products.
To find guidance and more knowledge resources on custom code topic you can refer to Custom Code Management section of SAP Enterprise Support value map for Application Lifecycle Management.
It is possible that the current version of the SAP HANA database used in your SAP S/4HANA system is not supported by your target SAP S/4HANA version. Therefore, you need to check and ensure that SAP HANA is upgraded to a relevant release/revision before upgrading SAP S/4HANA.
For example:
It also makes sense to know about coming end of maintenance of SAP HANA 2.0 SPS04 in June 2021. So, even if your target SAP S/4HANA release (e.g. 1909) supports this SAP HANA version right now, you may need to consider upgrading to a higher SPS to ensure you are always under maintenance.
You can find many useful insights about the upgrade from SAP HANA 1.0 to 2.0 in the recording of meet-the-expert (MTE) session Upgrading SAP HANA 1 to SAP HANA 2: Key steps and recommendations available in SAP Enterprise Support Academy.
Other useful resources:
SAP Fiori upgrade
SAP S/4HANA upgrade often goes together with update of the following components:
It is important to understand that there is a strict dependency between the SAP S/4HANA backend version and the SAP Fiori for SAP S/4HANA version that contains the SAP Fiori apps. There is also a required minimum version of the SAP Fiori front-end server (FES), although higher versions of the FES are usually possible as explained in this blog post.
Also, if you are currently using a standalone SAP FES system as a frontend for SAP S/4HANA (hub deployment) you should consider migrating it to an embedded deployment which is the recommended option since December 2017.
You can find more information in the resources below:
In SAP Enterprise Support value map for SAP S/4HANA and SAP Enterprise Support value map for SAP S/4HANA Cloud Private Edition, we have created tailored learning programs to help your upgrade journey. The learning program can be found under the 'Upgrade' section of the overview page in each value map.
Let's take a look at the learning program: Understand how to upgrade with SAP S/4HANA.
(For customers who are running SAP S/4HANA Cloud, Private Edition, please check another learning program: Understand how to upgrade with SAP S/4HANA Cloud, Private Edition).
The learning program helps you understand why and how to upgrade with your SAP S/4HANA to a higher release. It includes the curriculum of meet-the-expert (MTE) sessions for SAP S/4HANA upgrade and SAP Fiori considerations during such upgrades, as well as an e-learning of SAP S/4HANA Upgrade – Unlock Innovation, from which you will get an overview of innovations per line of business introduced in SAP S/4HANA 2020, 2021, 2022 and 2023 releases.
With this learning program, you will:
Continuous Quality Check (CQC) remote services
Besides the learning program to empower your knowledge on the preparation of an upgrade, there are several continuous quality check services which can help you minimize risks of unforeseen technical issues during the upgrade of your productive SAP S/4HANA system. You can find details and guidance in the Release Upgrade section of Continuous Quality Checks page in SAP Enterprise Support value map for SAP S/4HANA or SAP Enterprise Support value map for SAP S/4HANA Cloud Private Edition.
Feel free to ask your questions regarding SAP S/4HANA upgrades in our **value map. We will be happy to help you.
Upgrading SAP S/4HANA: Why, How, and Best Practices
Let’s talk SAP S/4HANA AnyPremise Upgrade (SAP Community post)
What’s New Viewer
Simplification Item Catalog
SAP Innovation and Optimization Pathfinder
SAP Fiori Apps Library
SAP Fiori lighthouse scenarios
SAP Fiori for SAP S/4HANA wiki
Roadmap Viewer -> SAP S/4HANA Upgrade and Product Integration Roadmap
Upgrade Guide for SAP S/4HANA (Latest version)
Important notes for upgrade to SAP S/4HANA 2023:
Important notes for upgrade to SAP S/4HANA 2022:
Important notes for upgrade to SAP S/4HANA 2021:
Important notes for upgrade to SAP S/4HANA 2020:
Simplification Item Check:
SAP Readiness Check for SAP S/4HANA upgrades:
*This is the current state of planning and may be changed by SAP at any time without notice.
For more content like this, and the opportunity to ask questions directly of our SAP S/4HANA experts, join the SAP Enterprise Support value map for SAP S/4HANA today!
The SAP Enterprise Support value maps provide self-paced learnings, expert-led live sessions, collaborative forums, and access to SAP experts; all included as part of your SAP cloud solution subscription.
3 Easy Steps:
Any questions, please contact us: sapesvaluemaps@sap.com
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