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Microsoft Dynamics 365 Business Central Integrations - security, automation, and cloud readiness
Case Study
Business context
A company using Microsoft Dynamics 365 Business Central (BC) wanted to fully unlock the ERP system’s potential through integrations with other tools and platforms. The main needs focused on several key areas:
- data exchange between BC and the CRM system,
- secure communication with banking systems,
- automated file exchange with business partners (e.g., price lists, orders, inventory levels),
- compliance with cloud-ready standards,
- process transactional integrity and minimized risk of errors.
Through these integrations, the company aimed not only to accelerate operations but also to ensure that data remained consistent and protected at every stage.
Challenges
Integration of Business Central with CRM
- Transfer of complete financial data (invoice headers, line items, VAT, ledger entries)
- Full transactional integrity - all data must transfer correctly, or nothing is posted
- Validation and accuracy control of financial fields
- Efficient handling of a large volume of documents
Integration of Business Central with the banking system
- Full encryption of all transmitted files
- Archiving and controlled access to financial data
- Compliance with internal IT security policies
- Cloud-ready architecture - no local servers required
Automation of file exchange with business partners
- Transition from traditional FTP-based exchange to Azure-based solutions
- Scheduling of file download and data processing
- Development of a custom integration library compliant with cloud-ready standards
- Mitigation of risks where an error in a single file could block processing of the entire queue
Rozwiązania
1. Integration of Business Central with CRM and finance
- A dedicated integration layer based on REST API was developed to enable seamless data exchange between BC and the CRM system.
- A single accounting transaction mechanism was implemented — if any document element (e.g., header, VAT lines, ledger entries) contained an error, the entire process was rolled back.
- Built-in data validation and error logging allow quick identification of issues and resending only inconsistent elements.
- Financial data is transferred to BC in a structured format, ensuring consistent reporting and eliminating human error in reconciliations.
2. Integration of Business Central with the banking system
- Implemented a process for generating and encrypting bank statements directly from Business Central.
- Files are transferred to the FTP server using Azure Functions as an intermediary, responsible for both encryption and secure transfer logging.
- Each file is automatically archived within the Azure environment, with full history tracking and role-based access control.
- The process fully complies with cloud-ready policies and meets all internal and external audit requirements.
3. Automation of file exchange with business partners
- Replaced traditional FTP servers with Azure Blob Storage for file transfer and storage, followed by automatic import into Business Central.
- Implemented a job queue mechanism - files are retrieved (e.g., hourly), and any file error is logged without interrupting the rest of the process.
- Developed a custom integration library supporting multiple file formats, enabling easy onboarding of new partners and integrations in the future.
- The entire process is fully automated - from file retrieval and validation to data import into BC.
Summary
The project demonstrated that well-designed ERP integrations can not only accelerate daily operations but also significantly reduce operational risk and improve data quality – creating a solid foundation for further digital transformation.
Integrating Microsoft Dynamics 365 Business Central with financial systems, CRM, and business partners enabled the company to achieve full process automation, data security, and compliance with cloud-ready standards.
By leveraging Azure services and REST API, the company built a modern, flexible environment ready for continuous growth and future innovation.
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