The most common mistake is using an expired key or a key for the wrong version. Log in to your page. Select "Get License Key" from the dashboard.
: Your 30-day trial period has ended, rendering the key invalid. Step-by-Step Fix: How to Resolve the Licensing Issue
This persistent error often points to deeper issues. Follow this systematic approach:
If you have updated your key but still see the trial message, your environment might be caching the old license state. Clean and Rebuild: Right-click your solution in Visual Studio and select Close Visual Studio and manually delete the folders in your project directory. Reopen the project and run it again. 4. Common Troubleshooting Tips No License Key Required for Community: If you are using the Community License
import registerLicense from '@syncfusion/ej2-base'; // Register Syncfusion license registerLicense('YOUR_ACTUAL_LICENSE_KEY_HERE'); Use code with caution. 3. Clear Cache and Rebuild
When you download Syncfusion components from NuGet ( nuget.org ) or through their evaluation installer, the components include a licensing mechanism. To use them beyond a "trial mode," you must register a unique license key in your code. If you don't, you'll see warnings like:
The "fix" for a Syncfusion trial license key issue is rarely about a "broken" key and almost always about and execution timing . By ensuring the RegisterLicense method is the first thing your application calls, you effectively suppress the trial notifications and unlock the full suite for development.
The key was generated for a different platform (e.g., using a WinForms key in a Blazor project). Step-by-Step Fix: Register Your Key Correctly
Which are you developing on (e.g., Blazor, Angular, .NET MAUI)? What Syncfusion version number are you currently using?
Open MauiProgram.cs (or App.xaml.cs for Xamarin) and register the provider inside the creation pipeline:
