Syncfusion^® Licensing Errors

29 Nov 20249 minutes to read

Licensing error popup is displayed with various messages under different circumstances. Here are some ways to resolve different issues.

Licensing errors

License key not registered\Trial Expired

The following error message will be shown if a Syncfusion^® license key has not been registered in your application or if the trial key has expired after 30 days.

Error message: This application was built using a trial version of Syncfusion^® Essential Studio^®. You should include the valid license key to remove the license validation message permanently.

Solution:

• If you use Blazor components through trial installer or obtained our components via NuGet.org, you can choose from the options listed below

1. If you have a valid Syncfusion^® license, you can generate a license key for a specific version and product from this page.

   

2. If you have a Syncfusion^® account and an active trial, you can generate the trial license key for a specific version and platform from this page.

3. If you have a Syncfusion^® account but no active trials, purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and platform from this page.

4. If you do not already have a Syncfusion^® account, you can create one here and purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and platform from this page.

5. Also, you can generate the license key from claim license key page by clicking the “Claim your FREE account” click from the licensing warning message. Refer to this help topic for more details.

• In your application, register the generated license key. Refer to this help topic for information on registering the license key.

Invalid key

If the application is registered with an invalid key, another version of license key, or another platform’s license key, the following error message will pop up when launching the application.

Error Message: The included Syncfusion^® license key is invalid.

Solution:

• If you use Blazor components through trial installer or obtained our components via NuGet.org, you can choose from the options listed below

1. If you have a valid Syncfusion^® license, you can generate a license key for a specific version and product from this page.

   

2. If you have a Syncfusion^® account and an active trial, you can generate the trial license key for a specific version and product from this page.

3. If you have a Syncfusion^® account but no active trials, purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and product from this page.

4. If you do not already have a Syncfusion^® account, you can create one here and purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and product from this page.

5. Also, you can generate the license key from claim license key page by clicking the “Claim your FREE account” click from the licensing warning message. Refer to this help topic for more details.

• In your application, register the generated license key. Refer to this help topic for information on registering the license key.

Licensing errors from version 16.2.0* to 20.3.0*

License key not registered

The following error message will be shown if a Syncfusion^® license key has not been registered in your application.

Error message:
This application was built using a trial version of Syncfusion^® Essential Studio^®. Include a valid license to permanently remove this license validation message. You can also obtain a free 30 day evaluation license to temporarily remove this message during the evaluation period. Refer to this help topic for more information.

Solution:

• If you use Blazor components through trial installer or obtained our components via NuGet.org, you can choose from the options listed below

1. If you have a valid Syncfusion^® license, you can generate a license key for a specific version and product from this page.

   

2. If you have a Syncfusion^® account and an active trial, you can generate the trial license key for a specific version and platform from this page.

3. If you have a Syncfusion^® account but no active trials, purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and platform from this page.

4. If you do not already have a Syncfusion^® account, you can create one here and purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and platform from this page.

• In your application, register the generated license key. Refer to this help topic for information on registering the license key.

Invalid key

If the application is registered with an invalid key, another version of license key, or another platform’s license key, the following error message will pop up when launching the application.

Error message:
The included Syncfusion^® license is invalid. Refer to this help topic for more information.

Solution:

• If you use Blazor components through trial installer or obtained our components via NuGet.org, you can choose from the options listed below

1. If you have a valid Syncfusion^® license, you can generate a license key for a specific version and product from this page.

   

2. If you have a Syncfusion^® account and an active trial, you can generate the trial license key for a specific version and product from this page.

3. If you have a Syncfusion^® account but no active trials, purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and product from this page.

4. If you do not already have a Syncfusion^® account, you can create one here and purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and product from this page.

• In your application, register the generated license key. Refer to this help topic for information on registering the license key.

Trial expired

The following error message will be shown if the trial key has expired after 30 days.

Error message:
Your Syncfusion^® trial license has expired. Refer to this help topic for more information.

Solution:
Purchase from here to get a valid Syncfusion^® license.

Platform Mismatch

If the application is registered with another platform’s license key, the following error message will pop up when launching the application.

Error message:
The included Syncfusion^® license is invalid (Platform mismatch). Refer to this help topic for more information.

Solution:

• License keys are version and product specific. So, if you use Blazor components through trial installer or obtained our components via NuGet.org, you can choose from the options listed below

1. If you have a valid Syncfusion^® license, you can generate a license key for a specific version and product from this page.

   

2. If you have a Syncfusion^® account and an active trial, you can generate the trial license key for a specific version and product from this page.

3. If you have a Syncfusion^® account but no active trials, purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and product from this page.

• In your application, register the generated license key. Refer to this help topic for information on registering the license key.

Version Mismatch

If the application is registered with another version’s license key, the following error message will pop up when launching the application.

Error message:
The included Syncfusion^® license ({Registered Version}) is invalid for version {Required version}. Refer to this help topic for more information.

Solution:

• License keys are version and product specific. So, if you use Blazor components through trial installer or obtained our components via NuGet.org, you can choose from the options listed below

1. If you have a valid Syncfusion^® license, you can generate a license key for a specific version and product from this page.

   

2. If you have a Syncfusion^® account and an active trial, you can generate the trial license key for a specific version and product from this page.

3. If you have a Syncfusion^® account but no active trials, purchase a license or start your 30-day free trial. Then you can generate the trial license key for a specific version and product from this page.

• In your application, register the generated license key. Refer to this help topic for information on registering the license key.

Facing licensing error message even after registering proper license keys

1. Ensure that respective version Syncfusion.Licensing nuget package or assembly is referred properly in the application.

2. Ensure that all the Syncfusion^® assemblies referenced are of the same version and that the corresponding version and product’s license key are registered in the application.

3. The license key should be registered before initializing any Syncfusion^® controls in the application. Refer this page for more information on registering license keys.

4. Same version Syncfusion^® assemblies should be present in the application output folders or published folders.

5. If you’ve upgraded the Syncfusion^® version and license keys in the application, try cleaning and rebuilding the application to see if that resolves the license error message.