A Step-by-Step Guide to Migrating Your On-Premise ERP to the Cloud

By WovLab Team | April 18, 2026 | 3 min read

Pre-Migration Checklist: Assessing Your Current On-Premise ERP Setup

Embarking on the journey to migrate your on-premise ERP to the cloud is a transformative step for any business. It promises scalability, agility, and reduced infrastructure overhead. However, a successful transition hinges on a meticulous and honest assessment of your current environment. Diving in without a clear roadmap is a recipe for budget overruns and operational chaos. A thorough pre-migration audit acts as your foundational blueprint, ensuring every dependency, customization, and data point is accounted for before a single byte is moved. This isn't just about cataloging servers; it's about understanding the very DNA of your existing system and how it supports your business processes.

Your assessment should be structured around four critical pillars. Start with a comprehensive Infrastructure and Hardware Audit. Document server specifications, storage capacity, network topology, and any virtualization layers. Next, conduct a deep-dive Software and Application Analysis. This includes your ERP's version, patch level, all customizations, third-party integrations, and middleware. Are your customizations well-documented, or are they tribal knowledge locked away with a few key developers? Then, perform a Data and Database Review. Quantify the size of your databases, assess data quality and integrity, and most importantly, identify all regulatory compliance requirements like GDPR, HIPAA, or local data sovereignty laws. Finally, execute a detailed Business Process Mapping to understand how users interact with the system. Which modules are critical? What are the peak usage times? Neglecting this step can lead to a new cloud system that technically works but fails to support how your business actually runs.

A successful ERP cloud migration is 90% planning and 10% execution. Your pre-migration checklist is the single most critical factor in mitigating risk and ensuring a predictable, on-budget project.

Choosing the Right Cloud Model: IaaS vs. PaaS vs. SaaS for Your Business

Once you have a firm grasp of your current setup, the next crucial decision is selecting the right cloud service model. This choice fundamentally dictates your level of control, management responsibility, and long-term cost structure. The three primary models—Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS)—are not one-size-fits-all. The ideal fit depends on your technical expertise, business requirements, and the nature of your existing ERP. For instance, a highly customized, proprietary system might be best suited for an IaaS model, which offers maximum flexibility. Conversely, a business looking to standardize processes and offload all maintenance might find SaaS to be the perfect solution.

Understanding the division of responsibility is key. In an IaaS model, you are essentially renting the hardware—servers, storage, and networking—from a provider like AWS or Azure, but you remain responsible for the operating system, middleware, and the application itself. With PaaS, the provider manages the underlying infrastructure and operating system, giving your developers a platform on which to build and run applications without worrying about server maintenance. SaaS is the most hands-off model, where the provider delivers a complete, ready-to-use application (the ERP itself) over the internet. You manage users and data, but everything else, from updates to security, is handled by the vendor.