Diagnostic Options for Telerik Licensing
Environment
| Version | Product | Author |
|---|---|---|
| 2025.1.205 | Telerik Document Processing | Desislava Yordanova |
Description
This article describes follow-up steps you can take if the trial message persists, even after following the steps listed in the Setting Up Your Telerik Document Processing Libraries License Key article.
This knowledge base article also answers the following questions:
- How to properly set up Telerik Document Processing license keys?
- How to resolve trial version messages?
- How to verify included assemblies for Telerik Document Processing?
Solution
Ensure your license includes the respective product. Without a valid license for the respective Telerik product, the trial version message will persist. Verify your license details on the Telerik Purchase page.
Telerik Document Processing is distributed with several bundles. Learn What Versions of Document Processing Libraries are Distributed with the Telerik Products. To integrate and validate its license, follow these steps:
Remove any environment variables such as
KENDO_UI_LICENSEorTELERIK_LICENSE, as they may cause licensing issues due to length limitations on Windows. Instead, use thetelerik-license.txtfile as described in Setting Up Your Telerik Document Processing Libraries License Key.-
Use the
TelerikLicensingVerbosityconfiguration in your project file to enable detailed licensing diagnostics during build. A sample configuration of the proj file is shown below:<Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <OutputType>Exe</OutputType> <TargetFramework>net9.0</TargetFramework> <RootNamespace>MyProjNamespace</RootNamespace> <ImplicitUsings>enable</ImplicitUsings> <Nullable>enable</Nullable> <TelerikLicensingVerbosity>diagnostic</TelerikLicensingVerbosity> </PropertyGroup> <ItemGroup> <PackageReference Include="Telerik.Documents.Spreadsheet" Version="2025.2.520" /> <PackageReference Include="Telerik.UI.for.AspNet.Core" Version="2025.1.227" /> </ItemGroup> </Project> Build the project and verify the Output window for confirmation that the license setup is valid.