Your 10 Biggest Questions About Dynamics NAV Upgrade, Answered

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Top 10 Questions to Ask Before Upgrading from Dynamics NAV to Business Central



Q1: Why Should I Upgrade from Dynamics NAV to Business Central?

D365 Business Central to Dynamics NAV upgrade is not just about adopting a newer software solution; it's about enhancing your business's overall user experience and operational efficiency. Here's why making the switch is a smart move:

  • Modern User Interface: Business Central boasts a sleek, intuitive, and user-friendly interface designed with the modern user in mind. This ensures quicker onboarding, reduced training time, and a more enjoyable user experience.
  • Seamless Integration with Microsoft Suite: Being a part of the Microsoft family, Business Central offers seamless integration with other Microsoft products like Office 365, Power BI, and Azure. This means your teams can work more cohesively, accessing data and tools across platforms without the need to constantly switch or sync.
  • Cloud Capabilities: Embrace the power of the cloud. Business Central offers cloud-based solutions that ensure real-time data access, automatic updates, and scalability without the hefty costs of server maintenance.
  • Enhanced Customization: Business Central provides more flexible customization options, allowing businesses to tailor the software to their unique needs. Plus, with its extension-based architecture, you can add features without disrupting the core system.
  • Advanced Analytics and AI: Dive deeper into your data with advanced analytics, AI-driven insights, and comprehensive reporting tools. Make informed decisions and forecast trends with greater accuracy.
  • Regular Updates: With Business Central, you're always up-to-date. Regular updates mean you're consistently equipped with the latest features, security patches, and best practices in the industry.
  • Scalability: As your business grows, so do your software needs. Business Central is designed to scale with you, ensuring that whether you're a small business or a large enterprise, your software can handle your operations.
  • Cost Efficiency: Over time, maintaining older systems like Dynamics NAV can become costly, especially with potential compatibility issues and outdated features. Business Central, with its SaaS model, can offer cost savings in the long run.
  • Community and Support: By upgrading, you join a growing community of Business Central users. This means more shared knowledge, resources, and a robust support system from both Microsoft and its partners.
  • Future-Proofing: Technology is ever-evolving. By upgrading to Business Central, you're positioning your business at the forefront of ERP solutions, ensuring you're equipped for both current challenges and future advancements.

Dynamics NAV upgrade

Q2: What are the cost implications while upgrading from NAV to Business Central?

Upgrading from Dynamics NAV to Business Central is a strategic move that can bring about significant operational advantages. However, understanding the cost implications is crucial for informed decision-making. Here's a breakdown:

  • Initial Migration Costs: There will be upfront costs associated with the migration process. This includes data migration, system setup, and potential customization to make Business Central align with your specific business processes.
  • Licensing Costs: Business Central operates on a subscription-based model. Depending on your choice between the cloud version or on-premises, there will be monthly or annual licensing fees. Often, the cloud version can be more cost-effective in the long run due to reduced infrastructure costs.
  • Training and Onboarding: Introducing a new system means your team will need training. While Business Central is user-friendly, there will be costs associated with training sessions, workshops, and potential downtime as employees get accustomed to the new system.
  • Reduced Infrastructure Costs (Cloud Version): If you opt for the cloud version of Business Central, you can expect savings in terms of server maintenance, electricity, and IT manpower. The cloud model shifts the responsibility of infrastructure maintenance to Microsoft.
  • Customization and Integration: While Business Central offers a plethora of features, you might still need some customizations or integrations with other tools. Depending on the complexity, this can have associated costs.
  • Ongoing Support and Maintenance: While Business Central's cloud version includes regular updates, you might still want to have a support agreement with a partner (like Dynamics Square) for any immediate needs, customizations, or issues.
  • Operational Efficiency Savings: It's essential to consider not just the direct costs but also the savings. With enhanced automation, streamlined processes, and better analytics, Business Central can lead to operational cost reductions in the long run.
  • Future Upgrade Savings: Business Central receives regular updates, ensuring you're always equipped with the latest features without the hefty costs of major system upgrades.
  • Potential Reduction in Third-party Tools: Business Central's comprehensive capabilities might eliminate the need for some third-party tools you were using with NAV, leading to cost savings.
  • ROI Consideration: While there are upfront costs, the return on investment (ROI) should be a key consideration. Improved efficiency, better decision-making capabilities, and enhanced customer experiences can lead to increased revenues, offsetting the initial investment.

Support for Dynamics NAV 2018 ended on Jan 10, 2023. NAV 2015-2018 versions now only receive security updates. See the below image for details.

Dynamics NAV Support End Date

Q3: What are the Integration Capabilities of D365 Business Central over Dynamics NAV?

Dynamics 365 Business Central (D365 BC) is designed with modern businesses in mind, emphasizing seamless integration and connectivity. Here's how its integration capabilities surpass those of Navision ERP:

  • Microsoft Suite Synergy: D365 BC offers out-of-the-box integration with the broader Microsoft ecosystem, including Office 365. This means you can directly sync data with tools like Excel, Word, and Outlook, enhancing productivity and collaboration.
  • Power Platform Integration: Business Central seamlessly integrates with Microsoft's Power Platform, including Power BI, Power Apps, and Power Automate. This allows for advanced analytics, custom app creation, and workflow automation without the need for complex coding.
  • API-First Approach: D365 BC is built on an API-first architecture, making it easier to integrate with third-party applications, whether they're on-premises or cloud-based.
  • Web Services Support: Business Central supports both OData and SOAP web services, facilitating smooth data exchange with other systems and platforms.
  • Azure Integration: Being a cloud-native solution, D365 BC integrates effortlessly with Microsoft Azure services. This offers enhanced security, scalability, and advanced features like AI and machine learning capabilities.
  • E-commerce and CRM Systems: Business Central provides connectors for popular e-commerce platforms and CRM systems, ensuring that your sales, customer data, and financials are always in sync.
  • Extensions and Add-ons: Unlike the more rigid structure of Dynamics NAV, Business Central's extension-based model allows for smoother integrations. You can add functionalities without altering the core system, ensuring stability and ease of updates.
  • Modern Development Environment: D365 BC uses Visual Studio Code and AL language for development, offering a more modern and efficient environment for creating integrations compared to the C/AL language used in Dynamics NAV.
  • Automated Workflows: With its integration to Power Automate, Business Central allows you to create automated workflows between your favorite apps and services, reducing manual tasks and enhancing efficiency.
  • AppSource Integrations: Microsoft's AppSource marketplace offers a plethora of ready-to-use apps and extensions designed specifically for Business Central. This allows for quick integrations with specialized functionalities, catering to various industry needs.

Q4: How do we migrate data from NAV to Business Central and ensure its integrity?

Migrating from Dynamics NAV to Business Central is a structured process that prioritizes data integrity and smooth transition. Here's a step-by-step breakdown:

  • Assessment & Planning: Before diving into the migration, it's crucial to assess the current Dynamics NAV setup. This includes understanding customizations, integrations, and the volume of data. A migration plan is then drafted, outlining timelines, resources, and key milestones.
  • Data Cleanup: Before migration, it's an opportune time to clean up any outdated or redundant data from the NAV system. This ensures that only relevant and accurate data is transferred to Business Central.
  • Customization Review: Not all customizations in NAV might be necessary in Business Central, given its advanced features. Review and decide which customizations to retain, modify, or discard.
  • Data Mapping: This involves mapping data fields in Dynamics NAV to corresponding fields in Business Central. Proper mapping ensures that data finds its correct place in the new system.
  • Migration Test Run: Before the actual migration, a test run is performed using a copy of your NAV data. This helps in identifying potential issues and rectifying them before the final migration.
  • Data Migration: Using tools like the RapidStart Services in Business Central, data is migrated from NAV. This includes master data (like customers, vendors, items) and transactional data (like sales orders, purchase orders).
  • Validation & Verification: Post-migration, a thorough validation is conducted to ensure all data has been accurately transferred. This involves cross-checking records, balances, and ensuring that there are no discrepancies.
  • User Training: Given the new environment and potential changes, users are trained on Business Central. This ensures they are comfortable and efficient in the new system from day one.
  • Go-Live & Monitoring: Once everything is verified, the system goes live. Initial monitoring is crucial to address any teething issues promptly.
  • Ongoing Support: Post-migration support ensures that any challenges faced by users are addressed, and the system runs smoothly.

Ensuring Data Integrity:

  • Backup: Always maintain a backup of the original NAV data.
  • Audit Trails: Use audit trails to track data changes, ensuring traceability.
  • Validation Checks: Implement validation checks to flag inconsistencies.
  • Dedicated Team: Have a dedicated team overseeing the migration to ensure data integrity.
  • Feedback Loop: Encourage users to report any data discrepancies they encounter post-migration.

Q5: How are NAV customizations adapted in Business Central?

Transitioning from Dynamics NAV to Business Central often raises concerns about existing customizations. Here's a breakdown of how they are affected and the process to adapt them:

Customization Assessment:

  • The first step is to evaluate all customizations in your Dynamics NAV setup. This includes custom modules, reports, workflows, and any third-party integrations. Understanding the depth and breadth of these customizations will guide the migration strategy.

Identify Core Overlaps:

  • Business Central comes with a host of advanced features and functionalities. Some of your customizations in NAV might already exist as standard features in Business Central. Identifying these overlaps can reduce the need for certain customizations.

Extension-Based Approach:

  • Unlike Dynamics NAV, where customizations often involved modifying the core application, Business Central promotes an extension-based approach. This means custom functionalities are added as extensions, ensuring the core system remains untouched. This approach simplifies updates and upgrades in the future.

Data Migration and Custom Fields:

  • If your NAV customizations involved custom fields, these fields need to be replicated in Business Central before data migration. Tools like RapidStart Services can assist in this process.

Custom Code Adaptation:

  • Custom code written for NAV, typically in C/AL, will need to be adapted to AL, the language for Business Central. This might involve rewriting or refactoring the code to fit the new environment.

Testing Customizations:

  • Once customizations are replicated or adapted in Business Central, thorough testing is crucial. This ensures that they work as intended without causing conflicts or issues.

User Training:

  • Given the changes and new environment, users need to be trained on how these customizations work within Business Central. This ensures a smooth transition and optimal utilization of the custom features.

Continuous Monitoring & Feedback:

  • After going live, continuous monitoring of these customizations is essential. Gathering user feedback can highlight any issues or further enhancements required.

Leverage AppSource:

  • Microsoft's AppSource marketplace offers a plethora of ready-to-use apps and extensions for Business Central. Before diving into custom development, it's worth exploring AppSource to see if a solution already exists that meets your needs.

Ongoing Support & Updates:

  • Customizations, like any software, need ongoing support and updates. Ensure you have a plan in place, whether in-house or with a partner like Dynamics Square, to maintain and update these customizations as Business Central evolves.

Q6: What training is needed and the learning curve for Business Central?

Transitioning to a new system like Business Central requires adequate training to ensure your team can utilize its full potential. Here's a breakdown of the training needs and the expected learning curve:

Training Modules:

  • Basic Navigation: Introducing users to the Business Central interface, dashboard, and basic navigation tools.
  • Role-Specific Training: Different roles (e.g., finance, sales, inventory management) will have specific modules and functionalities. Training should be tailored to each role.
  • Advanced Features: For power users or specific roles, delve into advanced features, analytics, and reporting capabilities.
  • Custom Features: If there are customizations or specific workflows unique to your organization, dedicated training sessions will be needed.
  • Integration Points: Training on how Business Central integrates with other tools in your ecosystem, such as CRM, e-commerce platforms, or third-party apps.

Training Formats:

  • On-site Workshops: In-person sessions, typically led by a Dynamics partner like Dynamics Square, where users can ask questions and get hands-on experience.
  • Webinars & Online Tutorials: Useful for remote teams or for refresher courses. These can be recorded for future reference.
  • User Manuals & Documentation: Providing users with written guides and FAQs can be a valuable resource for quick queries.
  • Interactive Simulations: Tools that allow users to practice tasks in a simulated Business Central environment.

Feedback & Continuous Learning:

  • Encourage users to provide feedback on training sessions. This can highlight areas that need more focus or clarity.
  • As Business Central receives updates and new features, periodic training sessions will be beneficial.

Typical Learning Curve:

  • Familiar Dynamics Users: For those already accustomed to Dynamics NAV or other Dynamics products, the transition can be relatively smooth, with a learning curve of a few weeks.
  • New Users: For individuals new to the Dynamics ecosystem, the learning curve might be a bit steeper, ranging from a month to a couple of months, depending on the complexity of tasks they handle.
  • Ongoing Support: It's essential to have a support system in place, especially during the initial months. Whether it's an in-house expert or support from a partner like Dynamics Square, users should have a go-to for queries.

Mentoring & Peer Support:

  • Encourage knowledge sharing among the team. Those who grasp concepts faster can assist peers, fostering a collaborative learning environment.

Q7: Cloud vs. on-premise for Business Central: pros and cons?

Yes, with Dynamics 365 Business Central (D365 BC), you have the flexibility to choose between a cloud deployment or an on-premise solution. Each option has its own set of advantages and considerations. Let's delve into the pros and cons of each:

Cloud Deployment:


  1. Quick Setup: Cloud versions are typically faster to deploy as there's no need for on-site hardware setup.
  2. Automatic Updates: Microsoft ensures that your D365 BC version is always up-to-date with the latest features and security patches.
  3. Scalability: Easily scale up or down based on your business needs without investing in additional hardware.
  4. Remote Access: Access your system from anywhere with an internet connection, providing flexibility for remote work.
  5. Cost-Efficient: Eliminate costs associated with maintaining and upgrading on-site servers.
  6. Enhanced Security: Microsoft Azure, which hosts D365 BC, provides robust security measures, including data encryption, threat management, and regular backups.


  1. Ongoing Subscription Costs: While initial costs might be lower, you'll have ongoing subscription fees.
  2. Internet Dependency: You'll need a reliable internet connection to access the system.
  3. Data Sovereignty Concerns: Depending on where data centers are located, there might be concerns about data residency and compliance.

On-Premise Deployment:


  1. Data Control: All data remains within your organization's infrastructure, giving you full control.
  2. Customization Flexibility: While both versions are customizable, on-premise might offer slightly more depth in certain scenarios.
  3. One-Time Licensing: Pay for the software license upfront, which might be cost-effective in the long run for some businesses.
  4. Network Performance: Since everything is hosted locally, you might experience faster system response times.


  1. Higher Initial Costs: Requires investment in hardware, software licenses, and infrastructure setup.
  2. Maintenance Responsibility: Your IT team will be responsible for system updates, security patches, and server maintenance.
  3. Limited Remote Access: Accessing the system remotely might require additional setup, like VPNs.
  4. Scalability: Scaling up might require additional hardware investments.

Q8: What post-migration support is offered during initial adaptation?

Transitioning to a new system like Business Central is a significant move, and post-migration support is crucial to ensure a smooth adaptation. Here's what you can expect in terms of support:

  1. Dedicated Support Team:
    • A team of experts will be assigned to address any technical issues, answer queries, and provide guidance. This team will be familiar with your specific migration details and customizations.
  2. Onboarding Sessions:
    • Structured training sessions will be organized to help your team understand the new system's functionalities, features, and best practices.
  3. 24/7 Helpdesk:
    • Access to a helpdesk or support portal where you can raise tickets, report issues, or seek clarifications. This ensures the timely resolution of any challenges.
  4. Knowledge Base & Documentation:
    • A comprehensive repository of articles, FAQs, and tutorials will be available. This can be a go-to resource for common queries and self-help.
  5. Feedback Loops:
    • Regular check-ins and feedback sessions will be scheduled to understand your team's challenges, gather feedback, and make necessary adjustments.
  6. Emergency Response:
    • In the event of critical issues or system downtimes, a rapid response mechanism will be in place to address and resolve the problem as quickly as possible.
  7. Customization Support:
    • If there are tweaks or further customizations required post-migration, support will be provided to make those adjustments.
  8. Integration Assistance:
    • Support for ensuring that Business Central integrates seamlessly with other tools and systems in your ecosystem.
  9. User Groups & Forums:
    • Access to user communities and forums where you can interact with other Business Central users, share experiences, and learn from collective knowledge.
  10. Ongoing Training:
  • As Microsoft releases updates or new features for Business Central, additional training sessions will be organized to keep your team updated.
  1. Performance Monitoring:
  • Regular monitoring of system performance to ensure optimal operation, identify potential bottlenecks, and make necessary optimizations.
  1. Backup & Recovery Support:
  • Assistance with regular data backups and, if needed, data recovery processes to safeguard your business information.

Q9: How often are Business Central updates, and their impact on operations?

Dynamics 365 Business Central (D365 BC) is a dynamic platform that benefits from Microsoft's commitment to continuous improvement. Here's a breakdown of the update frequency and its implications:

  1. Update Frequency:
    • Major Updates: Microsoft releases two major updates for Business Central annually, typically in the spring and fall. These updates introduce new features, enhancements, and significant improvements.
    • Monthly Updates: In addition to the major releases, there are monthly updates that focus on bug fixes, minor enhancements, and security patches.
  2. Impact on Operations:
    • Downtime: While Microsoft strives for minimal disruption, there might be short periods of downtime during updates. However, these are usually scheduled during off-peak hours to reduce business impact.
    • New Features: Major updates often come with new functionalities that can benefit your operations. It's a good practice to review these features and determine their applicability to your business processes.
  3. Customizations & Updates:
    • Extension-Based Approach: Business Central promotes customizations through extensions, which means that core system updates shouldn't directly impact your customizations.
    • Testing Environment: Before applying updates to the live environment, it's recommended to test them in a sandbox or staging environment. This allows you to assess the impact on customizations and make necessary adjustments.
    • Compatibility Checks: Microsoft provides tools to check compatibility with customizations, ensuring they remain functional post-update.
  4. Training & Adaptation:
    • With major updates introducing new features, it's beneficial to organize training sessions for your team. This ensures they are aware of and can utilize the new functionalities effectively.
  5. Support & Communication:
    • Microsoft provides detailed release notes ahead of major updates, giving businesses ample time to prepare. Additionally, as a trusted partner, Dynamics Square would offer guidance on each update, ensuring a smooth transition.
  6. Opt-Out Periods:
    • For businesses that need more time to adapt, Microsoft offers opt-out periods for major updates. This allows companies to delay the update for a specified duration, providing additional preparation time.
  7. Backup & Rollback:
    • It's a best practice to have recent backups before any major update. In the unlikely event of issues post-update, having a backup ensures data safety and the option for rollback if needed.

Q10: Based on similar transitions, what kind of return on investment (ROI) can we anticipate, and over what timeframe?

Transitioning to Dynamics 365 Business Central (D365 BC) from Dynamics NAV is a strategic move that can offer significant ROI. The exact figures can vary based on your specific business context, but here's a general overview based on similar transitions:

  1. Immediate Cost Savings:
    • Cloud Benefits: If you opt for the cloud version of D365 BC, you can expect savings from reduced infrastructure costs, no server maintenance, and the elimination of costs associated with on-premise hardware and software.
    • Licensing Models: The subscription-based model can offer more flexibility and can be more cost-effective for some businesses compared to upfront licensing costs.
  2. Operational Efficiency:
    • Streamlined Processes: D365 BC offers integrated solutions that can streamline various business processes, from finance to sales to operations. This can lead to faster decision-making and reduced operational delays.
    • Automation: Features like AI-driven insights, automated workflows, and advanced analytics can reduce manual tasks, leading to time savings and reduced errors.
  3. Increased Revenue Opportunities:
    • Improved Customer Service: Enhanced CRM capabilities can lead to better customer relationship management, potentially increasing sales and customer retention.
    • Data-Driven Decisions: Advanced analytics and reporting can provide insights that drive revenue-generating strategies.
  4. Scalability & Growth:
    • Future-Proofing: D365 BC is scalable, allowing you to expand its capabilities as your business grows, ensuring you don't incur future migration or upgrade costs for a considerable time.
    • Market Expansion: Features like multi-currency and multi-language support can aid in expanding to new markets.
  5. Timeframe for ROI:
    • Short-Term (6-12 months): Initial cost savings, improved operational efficiencies, and immediate benefits from new features can result in a noticeable ROI within the first year.
    • Medium to Long-Term (1-3 years): As your team becomes more adept at using the system, and as you further customize and integrate D365 BC into your operations, the ROI can compound. Revenue growth, market expansion, and long-term cost savings can be more pronounced in this period.
  6. Intangible Benefits:
    • Employee Satisfaction: A modern, integrated system can lead to improved employee satisfaction and reduced turnover, which, while harder to quantify, can have a positive impact on ROI.
    • Brand Image: Being on a state-of-the-art platform can enhance your brand's image among customers and partners.
  7. ROI Calculation:
    • It's advisable to work closely with your Dynamics partner, like Dynamics Square, to get a detailed ROI analysis tailored to your business. They can provide case studies, benchmarks, and detailed calculations based on your specific context.


As with any significant business decision, especially a Dynamics NAV upgrade, the key lies in thorough research, understanding your unique needs, and leveraging the available resources to their fullest potential. We hope this blog has equipped you with valuable knowledge to make an informed choice and harness the power of Business Central to its fullest.

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