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Nginx 502 Bad Gateway: PHP-FPM Fix Guide - Windows Activation Error 0xC004C003: Rate Limit Fix-Resolve Redis Bind Address Startup Error

Updated 2026-06-13 15:26:45developer-tools
Nginx 502 Bad Gateway: PHP-FPM Fix Guide - Windows Activation Error 0xC004C003: Rate Limit Fix-Resolve Redis Bind Address Startup Error
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.