SAP Enterprise Portal (NetWeaver) to Microsoft 365

If IT teams want to take a pragmatic approach to replacing the SAP Enterprise Portal based on NetWeaver, Microsoft 365-based portal solutions could be the way forward: they offer the opportunity to migrate individual processes iteratively and cost-effectively – without the pressure of a comprehensive system change.

The end of support for SAP NetWeaver as the technological foundation of the SAP Enterprise Portal is foreseeable – by 2030 at the latest, it will be discontinued. However, instead of a complete system change, a smarter approach is possible: the replacement of individual portal functionalities can be carried out step by step – process-oriented, low-risk, and with real added value for users. Microsoft 365 provides powerful components for this, which not only enable collaboration but also modernize SAP-related processes – for example, via SharePoint Online, Power Platform, and Viva Connections. This creates a future-ready employee portal that can be flexibly expanded.

End of Support for SAP NetWeaver: Why Act Now

SAP NetWeaver was the backbone of numerous business processes for many years – especially in the areas of HR and self-services. The SAP Enterprise Portal, as a central application on NetWeaver, served as the access point for employees.


But with the announced end of support by 2030 at the latest, it’s clear: the platform will no longer be developed and already fails to meet modern requirements for user experience, integration, and scalability.


This raises a strategic question for IT teams: How can the transition succeed – without losing functionality, without overwhelming users, and without immediately launching an expensive, lengthy, and risky large-scale project? The answer lies in a flexible, iterative approach that enables targeted process migration and creates space for learning and optimization.

Microsoft 365 as a Platform for Modern Employee Portals

What many initially associate with Office and Teams has long since evolved into a comprehensive digitalization platform. Microsoft 365 offers everything needed for modern processes and portals – including certified SAP connectors for secure integration – through SharePoint Online, the Power Platform, Teams, and Azure services.

Especially in the context of an employee portal, Microsoft 365 demonstrates its strengths:

  • SharePoint Online serves as a central intranet that can be customized individually.
  • Viva Connections brings this portal directly into Microsoft Teams – the place where many employees are already active daily.
  • With the Power Platform, self-services, approval processes, and interactive checklists can be seamlessly integrated – with direct connectivity to SAP.
  • Adaptive Cards enable dynamic presentation of information directly in Teams, Outlook, or Power Apps – for example, for approvals, status updates, or forms within the workflow.

This creates a modern, personalized employee portal that not only impresses functionally but also significantly improves the user experience. Employees find their services, documents, and tasks in one place – mobile, intuitive, and secure. For IT, this means: less system complexity, lower maintenance effort, and better utilization of existing Microsoft licenses – a real lever for cost efficiency.

Start with Focus Instead of Everything at Once: Individual Processes as an Entry Point

Replacing NetWeaver doesn’t have to be a “big bang.” On the contrary: an iterative start with individual processes reduces risks and delivers quick wins – ideal for companies that want to proceed with caution.


Many organizations successfully begin with individual processes – especially where the pressure is high or the benefits are clearly visible:

  • Leave requests & sick notes: Power Apps with SAP integration via Power Automate – mobile, intuitive, and without the SAP GUI.
  • Approvals: Adaptive Cards in Microsoft Teams replace complex workflows – managers approve directly in the chat.
  • Master data maintenance: Self-service forms synchronize changes directly with SAP – without media disruptions.
  • Payslips & documents: Delivered via SharePoint with role-based access – secure and transparent.
     

Diese Prozesse lassen sich einzeln identifizieren und migrieren – ideal für Pilotprojekte oder MVPs, die schnell Mehrwert liefern. Schon mit wenigen gezielten Maßnahmen lässt sich die Nutzererfahrung deutlich verbessern – und gleichzeitig die IT-Landschaft vereinfachen. Die Umsetzung erfolgt mit Low-Code-Tools, die nicht nur schnell Ergebnisse liefern, sondern auch die Entwicklungskosten deutlich senken. 

Iterative Migration: Grow Flexibly

A step-by-step migration approach offers numerous advantages. It reduces risks, enables early successes, and creates space for learning and optimization. IT teams can prioritize specific use cases, implement pilot projects, and gradually expand the architecture.


The solution grows with the requirements: What starts with low-code can be extended as needed with Azure Functions, Logic Apps, or SPFx components. More complex integrations – such as via Azure API Management – can also be added later when the organization is ready.


This approach is also economically attractive: Instead of making large investments in a new platform, existing Microsoft licenses are used more effectively. Replacing parallel SAP portal infrastructures saves operating costs, reduces maintenance effort, and frees up resources for innovation.

And what if the big leap is desired?

Of course, the transition can also be approached comprehensively – for example, as part of a strategic realignment of IT. Microsoft 365 and Azure offer a scalable, maintainable, and future-proof architecture that can also support complex SAP functionalities.


For instance, traditional SAP Business Workflows can be replaced by Power Automate or Logic Apps. The middleware SAP PI/PO can be substituted with Azure Integration Services. SAP Identity Management can also be replaced by Microsoft Entra ID (formerly Azure AD) – with Single Sign-On, Conditional Access, and Lifecycle Management.


Even custom ABAP applications can be redeveloped using Power Apps, SPFx, or Azure Functions – with modern UI standards and significantly shorter time-to-value. And here too: investments remain manageable, as many components are already available and can be flexibly extended.

Conclusion: Start Now – With Strategy and Foresight

Replacing the SAP Enterprise Portal based on NetWeaver is not a sprint, but a strategic journey. Microsoft 365 provides a platform that enables targeted process migration as well as a later comprehensive transformation. IT teams can flexibly decide where to start – and how far they want to go.


The potential is especially evident in the area of employee portals: With Microsoft 365, a modern, integrated, and user-friendly solution emerges that simplifies processes, strengthens communication, and increases employee satisfaction. At the same time, IT departments benefit from a more efficient architecture, lower operating costs, and better utilization of existing resources.

Campana & Schott will support you – from selecting suitable use cases to technical implementation and successful rollout.


Get in touch with us !

Get in touch with us.

Contact

Martin Weinhardt

Head of Competence Center Employee Experience

Ruth Subjetzki

Projektanfragen & Account Management