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Home / developer-tools / MongoDB Compass: Authentication Failed vs Connection Refused - Fix Defender Real-Time Protection Auto-Off-How to Fix PowerShell Access Denied Script Errors

MongoDB Compass: Authentication Failed vs Connection Refused - Fix Defender Real-Time Protection Auto-Off-How to Fix PowerShell Access Denied Script Errors

2026-06-13 13:17:37developer-tools
MongoDB Compass: Authentication Failed vs Connection Refused - Fix Defender Real-Time Protection Auto-Off-How to Fix PowerShell Access Denied Script Errors

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.