Notes to Customers accessing Duet Enterprise via MSDN or Volume License
Known Issue (1):

Aggregator Web Part will not work across the Web Apps having different Authentication

Description: Aggregator Web Part is deliverable of the Duet Workflow Feature. This Web Part will provide a support to view the Task for particular user across the Site Collection and Web App.

Current Limitation to the web Part - This Web Part cannot support the Scenario of Web Part is created in one type of authenticated Web App and the Rootsite Parameter pointing to the different Web App which if different authentication. Eg: Web Part placed in Win Claims based Web App can pull/show the task assigned to the User under another rootsite created in another win claim Web App but it will not work for the rootsite created in Win Legacy Web App and then the Page on which Web Part is placed will not accessible.

Viewing the Tasks from the Cross Auth Web App in aggregator web part is not Supported

Workaround: To Fix the Page which is caused by cross authentication issue in Aggregator Web Part in the Page is to remove the web Part through SPD and then add the Aggregator web Part and point only to the rootsite accessible and same authenticated.

Known Issue (2):

Task with attachments cannot be created and assigned to users in Turkish environment.

The following languages are included in this product: Arabic, Chinese-Simplified, Chinese-Traditional, English, French, German, Hebrew, Italian, Japanese, Portuguese-Brazil, Russian, Spanish, and Turkish.