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Home / developer-tools / Fix PowerShell 504 Gateway Timeout in Azure Function Apps - Troubleshoot Windows Security App Hanging on Startup-How to Fix DNS Permission Denied in Windows Defender

Fix PowerShell 504 Gateway Timeout in Azure Function Apps - Troubleshoot Windows Security App Hanging on Startup-How to Fix DNS Permission Denied in Windows Defender

2026-06-17 11:29:49developer-tools
Fix PowerShell 504 Gateway Timeout in Azure Function Apps - Troubleshoot Windows Security App Hanging on Startup-How to Fix DNS Permission Denied in Windows Defender

Final checklist

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