Achieving sustainability goals with legacy system decommissioning

September 25, 2025

Yukta Chhabra

Data hoarding is becoming a growing concern for both individuals and organisations. It is defined as the vast accumulation of saved files and data over a period of time, whether on a personal computer or a shared network within a business. Data hoarding leads to various challenges, such as increased costs, slower system performance, reduced efficiency, risks of non-compliance, and security threats to your entire IT infrastructure. Furthermore, it also contributes to increasing the carbon footprint, leaving a harmful impact on the environment.  This is where SAP legacy system decommissioning comes into the picture. Let’s discover the process of system decommissioning and how it helps achieve environmental goals for organisations. Continue reading to unfold valuable insights.

What is legacy system decommissioning?

System decommissioning is a strategic process of carefully retiring or removing your outdated legacy systems. In this process, your legacy data held by the old system is extracted and stored in a secure location with the help of a legacy application. Now, you must be wondering, is this data gone forever? Well, the short answer is – absolutely not. With the help of a legacy application, you can easily access this archived data for audit or compliance-related requirements. Furthermore, system decommissioning allows you to streamline your entire IT landscape by reducing the complexity of old systems, curbing the maintenance and licensing costs associated with outdated systems, and enabling you to accept advanced technologies for the growth and scalability of your business. 

What contributes to data hoarding?

Before understanding how to achieve sustainability through system decommissioning, let’s first learn about what contributes to data hoarding.

One of the primary contributors to data hoarding is the abundance of storage available on the market. As a matter of fact, according to a recent study, the worldwide availability of data centres is in millions, which consumes a significant amount of energy, contributing to carbon emissions. Moreover, some experts also think that in the coming years, these data centres are expected to consume 20-30% of the world’s electricity, which is more than any other sector.

To control such sorts of data hoarding practices, you must have an effective system decommissioning strategy in place. The right SAP legacy system decommissioning strategy will help you identify how much data your organisation holds. Once you have the right numbers on the data, you can then evaluate which data is required to back up daily business operations, and which data can be archived or destroyed. This way, you can easily control your energy consumption and successfully contribute to your sustainability goals.

How does system decommissioning helps curb data hoarding?

At the organisational level, data hoarding has become a common practice. This is where system decommissioning becomes crucial for streamlining and managing historical data. However, oftentimes, businesses question the importance of decommissioning. But decommissioning becomes important because it takes care of all your infrequently used data. As a matter of fact, according to a recent study, it has been observed that out of all the data held by organisations in their systems, only 10 – 15% of the data is relevant to their business; other data is just redundant. In summary, with the help of the SAP legacy system decommissioning process, companies can easily extract and preserve historical data while accessing it whenever needed.

How does system decommissioning help achieve sustainability goals?

Here are some of the ways decommissioning legacy systems helps achieve sustainability goals for organisations:

Inefficient hardware

Typically, outdated legacy systems often run on obsolete hardware that is far less energy efficient than modern alternatives. They consume more electricity, create more heat, and require extensive cooling. All these factors clubbed together, can put more pressure on your energy consumption, contributing more to increasing carbon emissions. With the help of system decommissioning, you can easily shut down these outdated systems and eliminate all the above-mentioned factors.

Reduced data hoarding

Another point on how to achieve sustainability with system decommissioning is by controlling data hoarding. Maintaining legacy systems can lead to data hoarding. Storing this unnecessary data consumes energy and business resources. This can be reduced with the help of system decommissioning, as this process often involves a strategic approach to data management. This approach includes archiving infrequently used data and storing it in a separate location for long-term preservation, which further reduces energy consumption.

Responsible disposal

The legacy system decommissioning process provides an opportunity for the responsible disposal and recycling of old IT hardware. This can be done by partnering with a certified e-waste recycler who can ensure that such materials are handled safely and valuable components are recovered and repurposed, which prevents them from ending up in landfills without proper measures.

Physical space

The SAP legacy system decommissioning process frees up valuable physical space, which was previously occupied by servers, storage devices, and networking equipment, allowing for more sustainable use of the organisational facilities.

Human resources

Maintaining outdated legacy systems requires specialised skills personnel. By retiring these systems with the help of system decommissioning, companies can reallocate these resources to more strategic, innovative, and sustainable initiatives.

Adopting green practices

Decommissioning of legacy systems is a critical step in a company’s journey towards adopting more sustainable IT practices and policies. It encourages the integration of energy-efficient technologies and responsible e-waste management.

Modernisation 

Another crucial point on how to achieve sustainability with system decommissioning is modernisation. By reducing the burden of obsolete systems, businesses can embrace newer, more environmentally friendly and energy-efficient technologies, which are more scalable. This also supports innovation, as resources are freed up for developing and implementing new, sustainable solutions.

Conclusion 

When considering how to reduce an organisation’s carbon footprint, an effective strategy can have a significant impact. Organisations must understand that system decommissioning is a critical consideration for achieving sustainability goals. Moreover, with the availability of tools like legacy system applications, data can be accessed whenever required without any hassle. However, it is important to note that for an effective SAP legacy system decommissioning project, you must reach out to an expert for effective implementation and project execution. So, what are you waiting for? Connect with a decommissioning partner today.

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Yukta Chhabra