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Using MT Engine plugins in the Trados Studio integration requires additional configuration in the XTRF Trados Agent. Here’s how to resolve it.


The following solution works, if you:

  1. Installed Trados Studio 2021 or newer on the server with your XTRF Platform.

  2. Installed the latest version of Trados Agent.

  3. Installed the desired MT Engine plugin in your Trados Studio.

  4. Enabled the MT Engine selection feature described HERE.

MT Engine configuration in XTRF Trados Agent

If you’re configuring the list for the first time, enter the XTRF Trados Agent settings, and click on Generate. A newly created XML configuration file will compile the list of all the installed plugins for the Trados Studio. 

For subsequent, minor changes just click on the MT Engines Plugins tab.

The list includes all the plugins available for the Trados Agent. The ticked checkboxes next to plugin names highlight the active ones (selectable in XTRF).

Select the plugin by clicking on its name and clicking Edit.

Configuration Attributes

Configuration screen for API Key

A pop-up window displays the attributes required to configure a particular plugin. These attributes may include:

Translation Provider Uri

Required with every MT Engine, regardless of authentication method. It is an attribute that Trados uses to bind a Translation Provider with a Project.

To locate it, it’s best to create a project with the said MT Engine, and then open the .sdlproj file with the Notepad, or other text / source code editor. The file will be displayed as an XML document.

Inside the XML document you will find the TranslationProviderUri at the bottom of the following element tree:

LanguageDirections > LanguageDirection > CascadeItem > CascadeEntryItem >  MainTranslationProviderItem

Example TranslationProviderUri location

Translation Provider Credential Uri

Additionally required with the API Key authentication. It is an attribute that Trados uses to verify the credentials of a particular MT Engine you’re trying to connect to. Each MT Engine may use a different naming policy and their proprietors need to be inquired to obtain this attribute. Alternatively, decompiling the dll library may be attempted to locate the attribute, but it’s best to delegate this task to a trained administrator, or try to use online resources.


Additionally required with the API Key authentication. It is an attribute that Trados uses to access the API of the proprietor of the MT Engine. The proprietors usually provide the API Keys to Translation Providers or publish online user guides to generating own API Keys.

User and Password

Additionally required for the individual user data authentication.


The additional state of the plugin, next to the uri, is one of two pieces of information that are serialized when a translation provider is added to a Trados Studio project. The state information is not mandatory, and may take any form, like additional settings required by the translation provider. The state information is stored in the project and in packages, so it is not recommended to include sensitive information like credentials in there.

The state information is usually part of the ‘TranslationProviderUri’.

Example state

After filling in the required values, click on Save and Apply


Trados Agent automatically restarts and the configured Machine Translation Engines become functional.

Read more:

How to enable any Machine Translation Engine in XTRF

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