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Large donor database migrations hit Salesforce import limits fast. Try to import 15,000 donor contacts at once and you’ll likely face timeout errors, failed imports, and frustrated database managers wondering why the process failed halfway through.
Here’s the real limits for donor contact imports and how to handle large datasets with reliable batch processing.
Handle large donor imports with configurable batch processing using Coefficient
Coefficient’s batch processing capabilities handle larger donor contact imports more reliably than Salesforce’s native import limits. The specific limits depend on your Salesforce configuration and security settings, but Coefficient provides better control over large-scale donor migrations.
How to make it work
Step 1. Understand Coefficient’s batch size limits.
Coefficient processes donor contacts in configurable batches: default batch size is 1,000 contacts, with a maximum of 10,000 contacts per batch. This prevents the timeout errors common with large Excel files in Salesforce’s Data Import Wizard.
Step 2. Consider MFA limitations for large imports.
With MFA enabled, there’s a 2K row limit unless your donor data includes External ID fields. Include donor ID or email as External ID to bypass this limitation for larger imports.
Step 3. Configure optimal batch sizes based on your Salesforce org.
Start with smaller batch sizes (1,000-2,000 contacts) and increase based on your org’s API limits and performance. Larger batches process faster but may hit API limits with complex donor data.
Step 4. Use parallel batch execution for multiple batches.
Instead of processing one massive file, Coefficient can handle multiple batches simultaneously through scheduled exports. This processes large donor datasets more efficiently than sequential imports.
Step 5. Monitor API limits and org performance.
Your total import capacity depends on your Salesforce org’s API limits, not just Coefficient’s batch sizes. Monitor API usage to avoid hitting daily limits during large donor migrations.
Step 6. Track progress across all batches.
Coefficient’s export results tracking shows progress across multiple batches, identifying any failed donor contact imports for retry. This visibility is crucial for large migrations where some records may require manual review.
Step 7. Set up scheduled imports for ongoing donor data.
For regular donor contact updates, configure scheduled imports that automatically process new Excel data in appropriate batch sizes without overwhelming your Salesforce org.
Scale your donor imports without the headaches
Configurable batch processing eliminates the guesswork and failures of large donor contact imports. With automatic batch management and progress tracking, your donor database migrations become predictable and reliable. Try Coefficient to handle donor imports at any scale.
