# Problem with license key

[![question_mark_1.png](https://doc.eainfoport.cz/uploads/images/gallery/2022-03/scaled-1680-/question-mark-1.png)](https://doc.eainfoport.cz/uploads/images/gallery/2022-03/question-mark-1.png)

### Question

What should I do if there is a problem with my license key?

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### Answer

1. You need to delete the appsettings.json configuration file in the infoport installation folder, restart the server and run the basic localhost and reconfigure the application
2. Or replace the license key in appsettings