What Are The Core Components Of An ERP System

Core Components of an ERP System Explained

An ERP system has eight core components (modules): finance and accounting, human resources, supply chain management, procurement, manufacturing, customer relationship management (CRM), project management, and business intelligence. All modules share one common database. This guide explains each module, how they integrate, and what Microsoft Dynamics 365 provides for each component.

Key facts

• ERP = Enterprise Resource Planning. It integrates all business functions into one software platform with a shared database.
• A sales order entered in ERP automatically flows through inventory, shipping, invoicing, and the general ledger — no manual data re-entry.
• Microsoft Dynamics 365 is the leading ERP for Microsoft-ecosystem organizations. It integrates natively with Teams, SharePoint, Power BI, and Azure.
• EPC Group specializes in Microsoft Dynamics 365 Finance, Supply Chain, Business Central, and Field Service implementations.
• EPC Group holds core Microsoft Solutions Partner designations including Business Applications.
• Former oldest continuous Microsoft Gold Partner in North America (2003–2022).

The Eight Core ERP Modules

Modern ERP systems organize business functions into modules. Each module manages a distinct operational area. All modules share one database.

1. Finance and Accounting

The core of every ERP system. It handles all financial transactions and reporting.

• General ledger — chart of accounts, journal entries, period close.
• Accounts payable — vendor invoice processing, payment runs, 3-way match.
• Accounts receivable — customer invoicing, collections, cash application.
• Fixed assets — depreciation schedules, asset lifecycle management.
• Financial reporting — balance sheet, income statement, cash flow statement.
• Dynamics 365 module: Dynamics 365 Finance ($180/user/month).

2. Human Resources (HR)

Manages the employee lifecycle from hire to retire.

• Employee records, org charts, and position management.
• Payroll integration and benefits administration.
• Performance management and goal tracking.
• Leave and absence management.
• Dynamics 365 module: Dynamics 365 Human Resources ($120/user/month).

3. Supply Chain Management

Controls the flow of goods from suppliers to customers.

• Demand forecasting and inventory planning.
• Warehouse management and fulfillment.
• Transportation management and carrier integration.
• Returns management and quality control.
• Dynamics 365 module: Dynamics 365 Supply Chain Management ($180/user/month).

4. Procurement

Manages vendor relationships and purchasing workflows.

• Purchase order creation, approval workflows, and 3-way matching.
• Vendor management and preferred supplier catalogues.
• Spend analysis and contract management.
• Dynamics 365 module: Included in Dynamics 365 Supply Chain Management.

5. Manufacturing

Plans and executes production operations.

• Bills of materials (BOM) and production routes.
• Production scheduling and capacity planning.
• Shop floor control and work-in-progress (WIP) tracking.
• Quality management and non-conformance reporting.
• Dynamics 365 module: Dynamics 365 Supply Chain Management (manufacturing features).

6. Customer Relationship Management (CRM)

Manages the full customer lifecycle from lead to service.

• Sales pipeline and opportunity management.
• Customer service case management and SLA tracking.
• Marketing campaigns and lead scoring.
• Field service scheduling and work order management.
• Dynamics 365 modules: Sales ($65/user/month), Customer Service ($95/user/month), Field Service ($95/user/month).

7. Project Management

Tracks project-based work including budgets, timesheets, and billing.

• Project accounting — costs, revenues, and billing by project.
• Resource management — assign staff to projects based on skills and availability.
• Timesheet and expense management.
• Dynamics 365 module: Dynamics 365 Project Operations ($120/user/month).

8. Business Intelligence (BI)

Turns ERP data into actionable insights for decision-makers.

• Pre-built Power BI reports for finance, supply chain, and sales performance.
• Copilot for Dynamics 365 — AI-powered natural language queries of ERP data.
• Embedded analytics within each Dynamics 365 module.
• Tools: Power BI (included in Dynamics 365 licensing), Azure Synapse Analytics for enterprise data warehousing.

How ERP Integration Works

All ERP modules share one database. A transaction in one module flows automatically to connected modules without manual data re-entry.

• A sales order triggers inventory reservation, warehouse pick, shipping document, and invoice — all from one entry.
• A vendor invoice triggers a 3-way match against the purchase order and goods receipt — then routes for approval.
• A production order decrements raw material inventory and adds finished goods upon completion — automatically updating the general ledger.

Microsoft Dynamics 365 vs. Other ERP Systems

Microsoft Dynamics 365 has three specific advantages for Microsoft-ecosystem organizations.

• Native Microsoft 365 integration — Teams, SharePoint, Outlook, and Power BI work natively with Dynamics 365. No custom integration required.
• Lower implementation cost — Dynamics 365 implementations cost 30–40% less than SAP S/4HANA and Oracle Cloud ERP at comparable scope.
• Higher user adoption — The Dynamics 365 interface uses familiar Microsoft design patterns. Users adopt it faster than SAP or Oracle.

Frequently asked questions

What are the core components of an ERP system?

The eight core ERP components are: finance and accounting, human resources, supply chain management, procurement, manufacturing, CRM, project management, and business intelligence. All modules share one common database.

What is Microsoft Dynamics 365?

Microsoft Dynamics 365 is Microsoft's ERP and CRM platform. It includes Finance, Supply Chain Management, Business Central (SMB ERP), Sales, Customer Service, Field Service, and Human Resources modules — all natively integrated with Microsoft 365 and Power BI.

How does ERP integration work?

ERP modules share a common database. A transaction entered in one module automatically flows to all connected modules. A sales order creates inventory movements, shipping documents, and accounting entries without manual re-entry.

What does an ERP implementation cost?

Dynamics 365 Finance and Supply Chain implementations run $200,000–$1,000,000+ depending on scope, module count, and data migration complexity. Business Central (SMB ERP) implementations run $50,000–$250,000.

Does EPC Group implement Microsoft Dynamics 365?

Yes. EPC Group implements Dynamics 365 Finance, Supply Chain Management, Business Central, Sales, Customer Service, and Field Service. We are a Microsoft Solutions Partner with the Business Applications designation and 29 years of Microsoft ecosystem expertise.

Schedule an ERP consultation

Talk to an EPC Group Dynamics 365 architect about your ERP implementation, module selection, or business case. Call (888) 381-9725 or request a 30-minute discovery call.