The AD FS Web Agent for Windows NT token-based applications did not find the Uniform Resource Locator (URL) for the application ...

The AD FS Web Agent for Windows NT token-based applications did not find the Uniform Resource Locator (URL) for the application return in the Internet Information Services (IIS) configuration. 

The Web agent will not be able to generate Windows NT tokens for users until it can find the application return URL. Claims-aware applications are not affected by this condition. 

User Action 
Ensure that the return URL is configured in the IIS Manager Virtual Directory property page.