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Fix Redis Connection Refused with Password Authentication Errors - How to Resolve Microsoft Teams Connectivity Issues-Windows Defender Error 0x80070490 on Windows 11

2026-06-16 10:38:57developer-tools
Fix Redis Connection Refused with Password Authentication Errors - How to Resolve Microsoft Teams Connectivity Issues-Windows Defender Error 0x80070490 on Windows 11

Final checklist

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