## License 過期後無法重新啟用 在 n8n 有一個免費的 Community License 可以透過 Email 啟用 從 Log 看來，會持續連到雲端的 License Server 做 Renew ```logs [license SDK] license successfully renewed [license SDK] license successfully renewed ``` 由於我的環境無法直接連網，需要透過 SOCKS5 Proxy 強制將 Node.js 的流量轉出去 有次重開忘記開啟 Proxy 代理程式，就發生錯誤 ```logs 2025-08-21T06:48:11.168Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T06:48:32.460Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T06:48:53.936Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T06:49:15.824Z [Rudder] error: Error: ETIMEDOUT connect ETIMEDOUT 104.26.13.187:443 connect ETIMEDOUT 104.26.13.187:443 connect ETIMEDOUT 104.26.13.187:443 connect ETIMEDOUT 104.26.13.187:443 2025-08-21T08:25:01.761Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T08:25:23.056Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T08:25:44.549Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T08:26:06.432Z [Rudder] error: Error: ETIMEDOUT connect ETIMEDOUT 172.67.68.102:443 connect ETIMEDOUT 172.67.68.102:443 connect ETIMEDOUT 172.67.68.102:443 connect ETIMEDOUT 172.67.68.102:443 Pruning old insights data 2025-08-21T17:16:44.940Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T17:17:06.546Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T17:17:29.564Z [Rudder] error: Response error code: ETIMEDOUT 2025-08-21T17:17:51.609Z [Rudder] error: Error: ETIMEDOUT connect ETIMEDOUT 104.26.13.187:443 connect ETIMEDOUT 104.26.13.187:443 connect ETIMEDOUT 104.26.13.187:443 connect ETIMEDOUT 104.26.13.187:443 ``` 重新申請一把 Community License Key 也無法啟用 即使 Log 顯示 **license successfully activated** 也一樣 ```logs [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 10:50:20 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 10:50:20 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 10:50:20 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 10:50:20 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 10:50:20 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 10:50:20 GMT+0800 (台北標準時間)) [license SDK] license successfully activated [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 22:20:37 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 22:20:37 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 22:20:37 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 22:20:37 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 22:20:37 GMT+0800 (台北標準時間)) [license SDK] cert is invalid because it has expired: (autorenewalsEnabled: true, expiredAt: Mon Aug 25 2025 17:42:14 GMT+0800 (台北標準時間), issuedAt: Tue Aug 26 2025 22:20:37 GMT+0800 (台北標準時間)) ``` ## 解決方式 先將舊有的 License 清除 ```nodejs n8n license:clear ``` 再重新透過 Email 送一次 Active Key 重新啟用一次免費授權即可