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Fix PowerShell 504 Gateway Timeout on Windows Server - WireGuard Handshake Not Completing: Peer Not Responding Fix-Resolve PuTTY Network Error Connection Refused Ubuntu

2026-06-14 00:26:49
Fix PowerShell 504 Gateway Timeout on Windows Server - WireGuard Handshake Not Completing: Peer Not Responding Fix-Resolve PuTTY Network Error Connection Refused Ubuntu

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.