Devextreme License — Key

A: Yes, but you must apply for the DevExpress Community License program. It requires your OS project to be non-commercial and public.

"scripts": [ "src/license.js" ]

A: No. The validation is entirely offline. The LicenseManager performs a local cryptographic check. No network call is made, so your app works in air-gapped environments. devextreme license key

import './license'; import App from './App'; If you use DevExtreme with DevExpress ASP.NET Core wrappers, you must register the key in Startup.cs or Program.cs . A: Yes, but you must apply for the

A: You likely forgot to set the environment variable on the production server, or you bundled the key only in a development config file. The validation is entirely offline

using DevExtreme.AspNet.Core; public void ConfigureServices(IServiceCollection services) { services.AddDevExtreme(licenseKey: "DXv#-XXXXX-XXXXX-XXXXX-XXXXX-XXXXX"); } For build servers or CI/CD, DevExpress provides a command-line tool to register the key globally on a machine: