N8n Activation Key Has Already Been Used On This Instance < Plus - 2025 >

Below is a full, structured review of what this error means, why it occurs, and how to resolve it.

: Double-check the activation key you're trying to use. Ensure it's correct and hasn't been mistyped. n8n activation key has already been used on this instance

You have two options:

You generally do not need to enter the activation key string every time you restart n8n. If you see this error, stop trying to re-paste the key. Instead, navigate to the License tab in Settings and select the option to or Sync your license, ensuring that your n8n data is being stored persistently. Below is a full, structured review of what

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When setting up or migrating a self-hosted n8n instance, you may encounter the following error message: Below is a full