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Fix Windows Defender Authentication Failed After Update - BitLocker Connection Refused Troubleshooting-How to Resolve Teams DNS Permission Denied

Updated 2026-06-14 06:18:06developer-tools
Fix Windows Defender Authentication Failed After Update - BitLocker Connection Refused Troubleshooting-How to Resolve Teams DNS Permission Denied
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.