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Fix Segment → Mixpanel Sync Issues (Not Working, Errors, Duplicates)

🔧 1 Common Issues

Diagnose and resolve common sync problems. We've documented the 1 most common issues, their root causes, and exactly how to fix them. See step-by-step fixes for duplicates, missing fields, rate limit errors, and connection issues.

high High Frequency

Events appear in Mixpanel but 'Users' list is empty or sparse

Also searched as: "Segment Mixpanel events appear in mixpanel but 'users' list is empty or sparse"

#1 Segment Setting Disabled 100% likely

📋 How to Diagnose

  1. 1. Segment > Destinations > Mixpanel > Settings
  2. 2. Check toggle 'Use Mixpanel People'

✓ Solution

Enable 'Use Mixpanel People' in Segment settings. Without this, Segment only sends track events, not user profile updates.

⏱️ Est. time: 2 min

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