Salesforce and your ERP each hold half the information your teams need to do their jobs. Sales needs inventory levels from the ERP to quote accurately. Operations needs customer commitments from Salesforce to fulfill orders correctly.
Connect the two systems and both teams get the data they need.
This guide walks through how the integration works, what decisions you’ll face, and how to avoid the most common implementation mistakes.
Why Do ERPs Need Salesforce Integration?
Salesforce tracks what customers buy and how sales teams interact with them. Your ERP tracks what you have in stock, what you owe suppliers, and what money is coming in.
Problems compound when these systems don’t talk to each other. Sales teams might end up quoting prices for items that aren’t available, operations staff might manually re-enter the same data in multiple places, and finance might reconcile mismatched numbers between systems and no one would know until it’s too late.
Define Which Data Needs to Move Between Salesforce and Your ERP
Before choosing an integration method, identify which data flows matter most to your operations. Not every field in Salesforce needs to sync with your ERP, and not every ERP record belongs in Salesforce. The goal is to connect the data that directly impacts how your teams work, eliminates duplicate entry, and keeps critical information current across both systems.
Customer and Account Records
The same customer exists in both systems, and discrepancies cause downstream problems. Salesforce holds contact details, communication history, and opportunity data. The ERP holds credit limits, payment terms, tax IDs, and billing addresses. When a sales rep updates an address in Salesforce, fulfillment still ships to the old address in the ERP. Integration syncs customer data between systems so both stay current.
Product Catalog and Inventory Levels
Sales reps quote products without knowing what’s actually available. Product SKUs, descriptions, and pricing live in the ERP. Inventory quantities change constantly as orders ship and stock arrives. Without integration, reps check a spreadsheet or call the warehouse. Integration surfaces current inventory in Salesforce so reps quote accurately.
Quotes, Orders, and Invoices
The quote-to-cash process spans both systems. Sales reps build quotes in Salesforce using products and pricing from the ERP. When those quotes get approved, they become sales orders in the ERP for fulfillment. The ERP then generates invoices and records payments. Integration connects this entire flow so data moves automatically at each step.
Order Status and Shipment Tracking
Customers ask sales reps when their order ships. Without integration, reps log into the ERP or email operations for updates. The ERP tracks pick, pack, ship status and carrier tracking numbers, but that information stays trapped there. Integration pushes order status and tracking into Salesforce automatically, so both sales and service teams see the same information when customers call.
How to Scope a Salesforce ERP Integration Project
Define your requirements before you select tools or vendors. Skip this step and you’ll spend months implementing a solution that doesn’t actually solve your problems. Document exactly what data needs to move, who owns each field, and how current that data needs to be.
List the Data Objects and Fields
Document every Salesforce object and ERP entity involved in the integration.
- Salesforce side: Accounts, Contacts, Opportunities, Quotes, Orders, Products
- ERP side: Customers, Items, Sales Orders, Invoices, Inventory
List which fields need to sync for each object. Note where data formats differ. Dates, phone numbers, and addresses often require conversion between systems.
Decide Which System Owns Each Field
One system must be the master when the same field exists in both places. Sales reps update customer phone numbers in Salesforce, so Salesforce should overwrite the ERP. Finance manages credit limits in the ERP, so the ERP should overwrite Salesforce. Fields without clear ownership cause sync conflicts where correct data gets overwritten by stale data. Document the master system for every synced field before implementation begins.
Determine How Current the Data Needs to Be
Not all data requires instant synchronization. Inventory levels may need to sync every few minutes to prevent overselling. Customer address changes can probably wait for a nightly batch. Syncing too frequently strains system resources and may hit API limits. Match sync frequency to actual business requirements, not assumptions.
Plan for Errors Before They Happen
Every integration encounters failed syncs. Decide in advance how to handle them.
- Who receives alerts when a sync fails?
- Do failed records retry automatically or queue for manual review?
- How do you prevent a partial sync from leaving orphaned records in one system?
Document these procedures before going live, to avoid discovering them when they cause an incident.
Assign Long-Term Ownership
Someone needs to monitor and maintain the integration after launch.
Decide who:
- Checks integration health daily
- Troubleshoots when syncs fail or data looks wrong
- Approves changes when business requirements shift.
Without clear ownership, failed syncs pile up unnoticed, data drifts out of sync, and small issues compound into major problems.
Integration Methods and Their Tradeoffs
Each approach has different costs, complexity, and maintenance requirements. Your technical resources determine what you can actually build and maintain. The number of systems you need to connect determines which method scales.
Point-to-Point Custom Code
Developers write API calls to connect Salesforce directly to the ERP. This works for a single connection with limited data fields. Each additional system requires another custom integration. Your team maintains all the code, handles errors, and manages updates. The approach becomes unmanageable once the number of connected systems grows past two or three.
Native Connectors From ERP Vendors
Some ERP vendors sell pre-built Salesforce connectors through their marketplaces. These connectors cover common objects like accounts, contacts, and orders. Customization options are limited if your processes differ from the standard template. You’re tied to that vendor’s ecosystem and update schedule. This works best when your processes align closely with out-of-the-box functionality.
Middleware and Enterprise Service Bus
Traditional middleware acts as a central hub routing data between systems. ESBs have existed for decades and can handle complex routing logic. They require on-premises servers and staff dedicated to operating the middleware. This makes sense if you already have middleware infrastructure and the team to run it. It adds a layer of complexity that smaller organizations may not need.
Integration Platform as a Service (iPaaS)
iPaaS provides cloud-based integration with pre-built connectors and visual configuration tools. You don’t install or maintain servers because the vendor handles infrastructure. Pre-built connectors exist for Salesforce to NetSuite connectors, and hundreds of other applications. The visual interface lets analysts configure integrations without writing code. You pay subscription pricing rather than a large upfront investment.
Custom API Development
Large enterprises sometimes build proprietary integration layers from scratch. This gives maximum control over how data maps and transforms between systems. It requires developers experienced with Salesforce APIs (REST, SOAP, Bulk) and your ERP’s APIs. Implementation typically takes 6 to 12 months or longer. Your team owns all ongoing maintenance as both platforms release updates.
How to Evaluate Integration Platforms
If you’ve ruled out custom code, these criteria help compare vendors and approaches. Integration platforms vary widely in connector coverage, ease of configuration, error handling capabilities, and total cost. Vendors emphasize different strengths, so you need a consistent framework to evaluate what actually matters for your integration.
Connector Coverage
Check if the platform has pre-built connectors for Salesforce and your ERP. Also check whether connectors exist for your exact ERP version, not just the vendor name as vendor names don’t tell you whether the connector supports your specific version’s data structure. Confirm the connector covers the objects and fields you identified in your scoping work. Ask when the connector was last updated and whether updates align with ERP releases. Without an existing connector, you’ll need custom development regardless of which platform you choose.
Configuration Complexity
How much technical skill does setup require? Some platforms require developers to configure every integration. Others provide visual tools that business analysts can use. Ask for a demo of the actual configuration interface, not just slides. Determine who at your organization would realistically build and maintain integrations based on what you see in that demo.
Error Handling and Monitoring
Integration failures happen in every system. The platform should alert you immediately when syncs fail rather than forcing you to discover problems manually. You need visibility into which specific records failed and why they failed. Failed records should either retry automatically or queue clearly for manual review. Review the monitoring dashboard before committing to understand exactly what visibility you’ll have when issues occur.
Vendor Support and Stability
Integration failures disrupt operations. Support responsiveness determines how quickly you recover. Review SLAs for uptime guarantees and support response times. Ask for customer references running similar Salesforce and ERP combinations. Check how long the vendor has been in business and their financial stability. Confirm the vendor updates connectors when Salesforce or ERP platforms change.
Total Cost Over Three Years
Upfront implementation cost tells only part of the story. Subscription or licensing fees often depend on connection count or data volume. Implementation services from the vendor or a systems integrator add to that base cost. Internal staff spend time on configuration, testing, and go-live even if that doesn’t appear on an invoice. Maintenance, monitoring, and future modifications continue adding costs long after the initial launch.
Getting Started With Salesforce ERP Integration
Connecting Salesforce to your ERP requires upfront planning, but the payoff is immediate. Sales teams stop copying data between systems. Finance gets accurate order information without chasing it down. Customers receive correct answers about inventory and shipment status.
The organizations that succeed with this integration define their data flows, assign system ownership for each field, and choose an integration method that matches their technical resources.
Boomi’s Salesforce connector provides pre-built connections to major ERP systems including SAP, Oracle NetSuite, and Microsoft Dynamics 365.
The visual interface reduces implementation time from months to weeks. Over 1,500 organizations currently use Boomi to integrate Salesforce with their other business applications, and Boomi updates its connectors when Salesforce releases new API versions three times per year.
Explore Boomi’s Salesforce integration capabilities to see how organizations connect their CRM data to the rest of their tech stack.