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Software-Ablösung: Lessons Learned aus der Praxis - Groenewold IT Solutions

Software Resolution: Lessons Learned from Practice

Software development • 7 January 2026

By Groenewold IT Solutions2 min read
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Software Resolution: Lessons Learned from Practice

In today's rapidly changing digital landscape, many companies face the challenge of modernizing or replacing outdated software systems. The decision to replace old software is often the beginning of a complex project that goes far beyond pure technology. In this article, we share practical findings and proven procedures that help you successfully shape your software release project.

Why software release is necessary

Over time, legacy systems, also called legacy systems, can develop into a significant business risk. The reasons for this are manifold:

  • Old technology: The software is based on outdated technologies that are no longer supported and risk security.
  • Quality: Adjustments to new business requirements are complicated, expensive or no longer possible.
  • High maintenance costs: The maintenance of old systems binds valuable resources that are lacking for innovation.
  • Fealing know-how: Experts on old technologies are fast and expensive, making maintenance and development more difficult.
  • Integration problems: Connection to modern systems and cloud services is often complicated and susceptible to errors.

Phases of a successful detachment project

A software release project can be roughly divided into four phases. Careful planning and implementation of each phase is crucial for overall success.

1. Analysis and strategy development

At the beginning of each detachment project is a thorough analysis of the existing system landscape and business processes. Please clarify the following questions:

  • What functions of the old system are critical for business?
  • What processes should be optimized or redesigned?
  • What requirements do future users have?
  • What technological and economic objectives are pursued with redemption?

Based on this analysis, you will develop a clear strategy for detachment. There are various approaches, such as the "Big Bang" (replace everything at once) or a gradual migration.

2. Selection of the new solution

Choosing the right software is a critical success factor. Instead of being dazzled by a long list of features, you should focus on the core requirements of your company. Perform a Proof of Concept (PoC) with one or two favorite providers to verify the most important functions in practice. Please also take into account the experience of the provider with the Alte software and ask for references.

3. Implementation and Migration

The implementation phase is often the most elaborate and time-intensive. A detailed project plan with clear milestones and verantwor

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Groenewold IT Solutions

Softwareentwicklung & Digitalisierung

Praxiserprobte Einblicke aus Projekten rund um individuelle Softwareentwicklung, Integration, Modernisierung und Betrieb – mit Fokus auf messbare Ergebnisse und nachhaltige Architektur.

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