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Message

Your account is limited to MAX simultaneous ngrok agent sessions. Run multiple endpoints at the same time from a single agent by defining them in your agent configuration file and running ngrok start --all. Read more about the agent configuration file: https://ngrok.com/docs/agent/config/ You can view your current agent sessions in the dashboard: https://dashboard.ngrok.com/agents. Upgrade to a paid plan to remove this limit: https://dashboard.ngrok.com/billing/choose-a-plan

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Additional Information

An ngrok account is limited in how many agents it can simultaneously run. This limit is listed for each plan as “online ngrok processes” on the pricing page. This error indicates you’ve exceeded that limit. The list of online ngrok processes is visible in the dashboard.

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Possible Solutions

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Running multiple tunnels with one agent

Make sure you’re not accidentally leaving any unnecessary ngrok agent sessions open. Stopping any agent processes that aren’t necessary frees up that resource so you can use it elsewhere in your setup. You may think you need to use multiple agents to accomplish the goal of tunneling to multiple services, but if all of your services are reachable from a single machine then you can configure a single ngrok agent running on that machine to tunnel to multiple services within a single agent session. The ngrok agent supports running multiple tunnels using either the configuration file or the ngrok agent api. It is possible for one agent to start multiple tunnels simultaneously. This number varies depending on which plan you’ve selected. See the pricing page’s “tunnels / ngrok process” feature for how many tunnels you may run with one agent.

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Upgrade your plan

You might consider upgrading your plan to one that offers more simultaneous agent sessions.

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Purchase additional licenses

You can purchase additional licenses by adding member(s) to your team if you need the agent to run on multiple devices or run more tunnels.

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Further help

If you’re having trouble resolving this error, please reach out to [email protected]