The Hidden Costs of Keeping a Legacy ERP System

 

Are you currently using a legacy ERP system? Replacing it may not seem like a priority, especially if it continues to support your business effectively. However, whilst staying with a familiar system may feel like the safer option, it could not only hold your organisation back but also come with hidden costs you may not be aware of.

Whilst the cost of a new AI-powered ERP system may seem significant, the long-term cost of maintaining outdated technology is often overlooked, and these hidden expenses can have a negative impact on business performance over time.

In this blog, we will discuss the hidden costs of keeping a legacy ERP system that often go under the radar, and the signs that it may be time to consider starting your journey to the cloud.

 

Rising Maintenance and Support Costs

One of the main hidden costs of keeping a legacy ERP system, and one that is often overlooked, is the cost of maintaining and supporting the software. Over time, as the system approaches end-of-life, software updates become less frequent or may stop altogether. As a result, support costs can increase, whilst the ageing infrastructure the system relies on can become more difficult and expensive to maintain or replace.

Finding the specialist expertise required to support older systems can also become increasingly challenging. Consultants with the correct knowledge often charge higher fees, and resolving issues can take longer due to the complexity of legacy technology. This can lead to additional downtime, increased troubleshooting costs, and disruption to day-to-day operations, making a legacy ERP system far more expensive to run than many organisations realise.

 

Security and Compliance Risks

With cybercrime and fraud becoming increasingly advanced, it is essential for organisations to have cyber security measures in place to protect their business. Legacy ERP systems were not designed for today's complex cyber security landscape, which can leave organisations exposed to increased security risks.

Additionally, as cyber threats continue to evolve, older systems that receive limited or no security updates can become increasingly vulnerable to attacks, data breaches and unauthorised access, increasing the risk of financial loss and reputational damage. As a result, maintaining strong security measures and protecting sensitive business data is becoming increasingly difficult for organisations relying on legacy ERP systems.

Meeting modern compliance requirements, such as GDPR, can also become more challenging when relying on an outdated ERP system. With data protection now a key priority for businesses, maintaining a secure and compliant environment is becoming increasingly difficult with a legacy ERP system.

 

Poor Visibility Impacts Decision-Making

Legacy ERP systems often struggle to deliver the level of visibility that modern businesses require, which AI-powered ERP systems can now provide. Reporting can be delayed due to manual workarounds, disconnected systems and spreadsheet-based processes, which can result in different teams working from inconsistent data.

In today's fast-paced business environment, CFOs, operations managers and business owners need access to accurate, up-to-date data to make informed decisions. Legacy systems often lack the reporting tools, dashboards and real-time insights needed to gain a clear view of business performance. Without access to accurate and timely information, organisations risk making decisions based on incomplete or outdated information, impacting profitability and growth.

 

Difficulty Integrating with Modern Systems

Modern businesses rely on a range of systems to support different areas of the organisation. It is important for data to flow seamlessly between these platforms to ensure the business runs efficiently and all parts of the organisation have access to accurate information. However, legacy ERP systems often struggle to integrate with modern business solutions, which can create data silos and inefficient internal processes.

As businesses adopt new technologies across various departments, such as CRM and expense management tools, integration capabilities become increasingly important, especially within the ERP system. Due to their reliance on outdated technology, legacy ERP systems often lack the connectivity needed to support these integrations. As a result, businesses may need to rely on manual data entry, increasing the risk of inconsistencies and duplicate records. It is therefore important to avoid managing multiple disconnected systems and consider modern ERP solutions that can integrate easily with cloud applications and APIs.

 

Missed Opportunities from AI and Automation

AI capabilities within modern ERP systems are constantly evolving and improving at a rapid pace. Leading ERP solutions such as NetSuite and Business Central continue to release new and enhanced AI features designed to improve efficiency and support more data-driven decision-making.

Legacy ERP systems limit access to these innovations, as they often lack the infrastructure and capabilities needed to take advantage of modern AI and automation tools. Whilst older systems can still support core business processes, they typically cannot benefit from newer features to the same extent as modern cloud ERP solutions, such as AI-powered forecasting, natural language reporting, automated invoice processing, predictive analytics, and tools such as NetSuite Next and Microsoft Copilot.

As a result, businesses can find themselves falling behind by continuing to rely on manual reporting and time-consuming tasks. This can reduce efficiency internally and result in missed opportunities to improve productivity, gain deeper insights, and make faster, more informed decisions.

 

Don’t get left behind! Start your ERP journey to the cloud today!

Whilst a legacy ERP system may still be functioning, continuing to rely on outdated technology could hold your business back in the long term.

There are many hidden costs associated with legacy ERP systems, from rising maintenance and support costs to poor visibility, integration challenges, and missed opportunities from AI and automation. Over time, these limitations can impact efficiency, decision-making and growth.

Whilst the initial investment in a modern cloud ERP solution may seem significant, the long-term benefits can often outweigh the costs. By moving to the cloud, organisations can access the latest innovations, improve operational efficiency, and better position themselves for future growth.

If you’d like a more in-depth comparison of two leading cloud ERP systems, you can download our NetSuite vs Business Central comparison guide. 

If you’d like to learn more about migrating to the cloud, get in touch with the Nolan team to learn more about what this could look like for your organisation.