ERP
ERP Data Migration
ERP Implementation
Apr. 15, 2024

A Comprehensive Guide to ERP Data Migration

Ziv Benzvi

Chief Revenue Officer (CRO) - Priority Software
A Comprehensive Guide to ERP Data Migration

Migrating your ERP data is a critical process that requires thorough planning and careful consideration. It involves transferring vast historical information, and ensuring the process is executed correctly is crucial. Additionally, your current systems will accumulate new data and update existing datasets during the migration process until the new ERP system is fully operational.

Make data migration a priority during your ERP system implementation. It’s recommended that organizations audit their existing databases while making a decision on which ERP system to purchase.

It's essential to keep these factors in mind while planning your ERP data migration.

Understanding the imperatives - 3 key drivers for ERP data migration

  • Upgrading to a more advanced ERP system

If you're transitioning to a more advanced ERP system, migrating cleansed data from various modules of your current ERP is crucial to ensure the integrity of your data and optimize the functionality of your new ERP solution. This step ensures data continuity and compatibility with the new system, preventing issues like error messages, unrecognized critical information, and duplicate entries.

  • Limited Capability of Your Existing System

Another catalyst for ERP data migration is the need to manage increasing data volumes that overwhelm older systems. These legacy systems often lack compatibility with modern technologies, necessitating a move to newer, more capable ERP solutions. This transition alleviates the limitations of older systems and supports integrating and processing new data types, significantly enhancing system performance and data management efficiency.

  • Enhancing Data Consistency and Accessibility

Legacy ERP systems, constrained by outdated technical standards, frequently face limitations that can hinder business operations. Migrating your data to a modern ERP system can help overcome these barriers, ensuring data consistency and improved accessibility. Newer ERP systems typically utilize a unified database accessible from multiple touchpoints, making retrieving insights and generating reports more intuitive and efficient across the organization.

Approaches to ERP data migration: strategies and methods

Selecting the right method to transfer your current data to a new Enterprise Resource Planning (ERP) system is vital for a successful update. Several strategies are available, each designed to suit different business structures, risk profiles, and operational needs. Understanding these distinct approaches and their implications can help you make an informed decision that aligns with your company's goals. 

  • Big bang migration - everything, all at once

Big Bang Migration involves transferring all your data to a new ERP system in a single operation. This method has several advantages, such as rapid implementation and immediate utilization of the new system, minimizing operational downtime, and simplifying the transition by eliminating the need for a multi-phased process. However, the Big Bang approach carries substantial risks, including the potential for data loss and unprepared staff. It also offers limited options for rolling back changes if something goes wrong and requires a considerable allocation of resources to ensure a smooth transition. Thus, while it promises quick results, it demands meticulous planning and robust support systems to mitigate its inherent risks.

  • Phased migration: a step-by-step approach

Phased migration is a systematic approach where data sets are migrated in stages rather than all at once, allowing for a more controlled and manageable transition. The phased approach offers a reduced risk of data loss and better resource management with the completion of each phase.

However, this method extends the timeline needed to complete the migration and introduces complexities associated with coordinating multiple stages. This method requires careful planning and inter-departmental collaboration to avoid creating duplicate data entries.

  • Hybrid migration: the best of both worlds

Hybrid migration is a versatile approach that melds the benefits of both the Big Bang and phased migration strategies. In this method, essential data sets are migrated simultaneously, ensuring crucial systems are quickly operational, while more complex or less critical data is transferred in phases. This approach combines the immediacy of the Big Bang with the controlled execution of phased migration.

This method requires substantial planning and coordination to effectively balance the simultaneous and staged elements. Potential drawbacks include the time needed to design and implement such a comprehensive strategy and the possibility of errors due to oversights during the complex migration process. 

Common challenges with data migration

Data migration is a process fraught with potential pitfalls that require careful planning and deliberate action to overcome. Here, we will explore some of the most common challenges encountered during data migration and discuss strategies to address them effectively.

  • Managing costs

Migrating legacy data to a new ERP system often involves significant expenses due to the need for specialized personnel and potential consulting services to ensure data is properly cleansed and compatible with the new system. Businesses must thoroughly plan for the financial aspects to manage and mitigate these costs effectively. This includes factoring in the expenses related to personnel, consulting, and any additional tools or software. Proper budgeting and resource allocation are essential to avoid financial overruns and ensure a successful migration.

  • Stakeholder buy-in

Securing the support of key stakeholders—such as top management, IT professionals, and department heads—is often one of the most daunting challenges in a data migration project. Resistance typically stems from concerns over potential disruptions and skepticism about the benefits of the migration effort. It's essential to articulate the migration objective and the long-term advantages it brings. Demonstrating the value of migrating cleansed and optimized data will facilitate discussion and ultimately help secure the buy-in needed for a successful migration.

  • Data quality issues

One of the more pervasive challenges in data migration is the quality of data stored in legacy systems, which often includes redundant, outdated, or inaccurate information. It's crucial to profile and audit your data thoroughly before beginning the migration process. Implementing validation tests and comprehensive data mapping and transformation can significantly reduce the likelihood of errors and inconsistencies. 

  • Technical compatibility

Transitioning from an older ERP system to a newer one typically poses various compatibility issues, ranging from hardware mismatches to discrepancies in data formats due to differences in architecture, technology, and design patterns. To navigate these issues effectively, consulting with technical experts and working closely with your ERP vendor is essential. The key to a successful migration is to approach it methodically- rushing can lead to overlooked incompatibilities that could disrupt business processes. 

  • Validation and testing

Data validation refers to ensuring that data is consistent and meets predefined criteria. This involves conducting various tests to confirm the accuracy and compatibility of the data with the new system.

Validation and testing can be resource and time-consuming tasks. 

Involving end-users in the validation process can help, as their firsthand experience with the data's practical applications provides valuable insights into potential issues and usability. At the same time, seek assistance from professionals who specialize in data migration and have experience streamlining the validation efforts, ensuring thoroughness, and reducing the likelihood of errors. This collaborative approach will aid in building a system that meets users' needs and expectations.

  • Security and regulation compliance

The safety and security of your data throughout the cleansing is a main concern in data migration processes, particularly when complying with regulatory bodies such as GDPR and HIPAA. Working closely with your vendor will guarantee that all data migration occurs over encrypted networks. This can help protect against unauthorized access and data breaches, safeguard your data, and ensure compliance with stringent security regulations.

4 steps to develop a successful ERP data migration strategy and plan

A successful ERP data migration strategy will define the overall success of your ERP deployment. This process involves careful planning and a structured approach to ensure that all critical data is seamlessly and accurately transferred to the new system. Here's how to develop a comprehensive strategy and plan your data migration to meet your business needs and goals in 4 steps. ​

  • Assess your current data

Once the goals and objectives of a data migration project are defined, the next step is to identify the specific data that needs to be transferred. This is a crucial step that sets the foundation for a successful integration into the new environment. It is also important to eliminate redundant data to streamline the migration process and focus on preserving the most critical and relevant information.

  • Understand the new ERP data requirements

Modern ERP solutions are designed to offer centralized and unified data management and ensure data is updated and accessible in real time. To take full advantage of these features, ensuring that your existing data is compatible with the new system is crucial. This involves taking precautions to prevent data loss, avoid duplication, and reduce the potential for human errors. 

  • Assemble a data migration team

The team should include tech-savvy professionals from your organization as well as experts from the ERP vendor's side. Together, they will handle all aspects of the data migration process. Having a diverse group with in-depth knowledge of both the old and new systems ensures that the migration is handled efficiently and that any potential issues are swiftly addressed. 

  • Execute & test

After the data has been successfully extracted, transformed, and loaded into the new ERP system, the next step is to begin utilizing the system to ensure all processes function as planned. This stage is critical for identifying and resolving any issues and ensuring the system operates smoothly and meets the expected performance criteria. During this phase, your vendor will provide support and guidance to help iron out any discrepancies.

How to ensure data accuracy during migration

Ensuring data accuracy should be one of the top priorities in data migration; otherwise, it can lead to poor customer experiences, incorrect forecasts, and operational inefficiencies. Implement rigorous validation and verification procedures throughout the migration process to ensure data integrity. 

  • Data cleansing and preparation

Ensure your existing data is meticulously cleaned and prepared for migration. Remove duplicate entries, correct errors, and eliminate unnecessary datasets while adhering to established data quality standards.

  • Data mapping

Data mapping is about identifying how data from source fields will correspond to the target system. A comprehensive mapping protocol is essential to prevent data loss or corruption during migration. Consult with your vendor if you need clarification or assistance with this process.

  • Data backup and recovery

Engage with your vendor to set up data backups before migration to eliminate the risk of data loss. Most vendors offer contingency plans and follow industry best practices to protect your data.

  • Monitor and optimize data performance

It is crucial to monitor KPIs like error rates, transfer speeds, and data consistency. If any of the metrics fall below expectations, you should immediately consult your vendor to address the issues.

  • Use data migration experts

Consider hiring data migration experts. Their specialized knowledge and processes can handle the complexities of migration, allowing you to focus on your core business operations and minimize downtime. 

What happens after the data is migrated?

Once the data migration is complete, conduct a comprehensive project review, including employee and end-user feedback about their experiences with the new ERP system. It's important to evaluate how easily they can access and use the data and ensure that real-time updates function as intended. 

Seek the help of your employees to monitor your new ERP system for any inaccuracies regularly. Provide training, implement data maintenance and governance procedures, and perform ongoing data validation and testing. 

The Author

Ziv Benzvi

Chief Revenue Officer (CRO) - Priority Software

Ziv stepped into Priority as the Chief Revenue Officer (CRO) in 2022, overseeing the company's global business operations. With a rich international background, he has spent over 16 years in the US, India, and Thailand. Prior to joining Priority, Ziv held senior leadership roles at Ex Libris (NASDAQ: CLVT) and NICE Systems (NASDAQ: NICE), as well as various sales management positions at Israel Aerospace Industries (IAI). Additionally, Ziv is a former certified attorney with a law degree from the University of Newcastle, England.

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