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What does ERR_NGROK_717 mean?

ngrok returns ERR_NGROK_717 with this message:
Troubleshoot ERR_NGROK_717 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

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Why does ngrok return ERR_NGROK_717?

ngrok can be used without a registered account for limited use cases but is only allowed a small number of connections at once. If you need additional connections, you will need to register for a free ngrok account.

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How do I fix ERR_NGROK_717?

  • If you do not have an ngrok account, please register for one and install the authtoken for your agent using the command ngrok config add-authtoken <TOKEN>.
  • If you have an ngrok account, ensure your authtoken is installed correctly using the command ngrok config add-authtoken <TOKEN>

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Where can I get more help with ERR_NGROK_717?

Email support@ngrok.com and include the error code.