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--- | ||
title: Diagnostic Options for Telerik Licensing | ||
description: Learn how to better diagnose the issues of the trial version message in Telerik products when using a DevCraft UI License. | ||
type: how-to | ||
page_title: Diagnostic Options for Telerik Licensing | ||
slug: telerik-trial-version-message-diagnostic-options | ||
tags: progress, telerik, license, document, processing, devcraft, diagnostic, trial | ||
res_type: kb | ||
ticketid: 1688475 | ||
--- | ||
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## Environment | ||
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| Version | Product | Author | | ||
| ---- | ---- | ---- | | ||
| 2025.1.205| Telerik Document Processing|[Desislava Yordanova](https://www.telerik.com/blogs/author/desislava-yordanova)| | ||
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## Description | ||
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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]({%slug setting-up-license-key%}) article. | ||
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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? | ||
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## Solution | ||
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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](https://www.telerik.com/purchase.aspx?filter=web) page. | ||
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[Telerik Document Processing]({%slug introduction%}) is distributed with several bundles. Learn [What Versions of Document Processing Libraries are Distributed with the Telerik Products]({%slug distribute-telerik-document-processing-libraries-net-versions%}). To integrate and validate its license, follow these steps: | ||
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* Remove any environment variables such as `KENDO_UI_LICENSE` or `TELERIK_LICENSE `, as they may cause licensing issues due to length limitations on Windows. Instead, use the `telerik-license.txt` file as described in [Setting Up Your Telerik Document Processing Libraries License Key]({%slug setting-up-license-key%}). | ||
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* Use the `TelerikLicensingVerbosity` configuration in your project file to enable detailed licensing diagnostics during build. A sample configuration of the proj file is shown below: | ||
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```xml | ||
<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> | ||
``` | ||
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* Build the project and verify the Output window for confirmation that the license setup is valid. | ||
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## See Also | ||
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- [Setting Up Your Telerik Document Processing Libraries License Key]({%slug setting-up-license-key%}) | ||
- [Telerik Purchase Options](https://www.telerik.com/purchase.aspx?filter=web) | ||
--- |
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