The AD FS Web Agent for Windows NT token-based applications could not contact the Federation Service during startup. Federation ...

Windows 7

The AD FS Web Agent for Windows NT token-based applications could not contact the Federation Service during startup. 
Federation Service URL: %1 

The Web agent will not be able to authenticate users until it can retrieve trust information from the Federation Service. 

User Action 
Ensure that the Uniform Resource Locator (URL) for the Federation Service is properly configured and that the Federation Service can be contacted from this Web server. 

Ensure that this Web server is joined to an Active Directory Domain Services domain. 

Ensure that the ADFS Web Agent Authentication Service is started.

The AD FS Web Agent for claims-aware applications cannot find the return Uniform Resource Locator (URL) that is configured ... The AD FS Web Agent for claims-aware applications encountered an error while loading its configuration from the Web.config ... The AD FS Web Agent for claims-aware applications successfully retrieved trust information from the Federation Service. GUID: ... The AD FS Web Agent for Windows NT token-based applications could not contact the Federation Service during startup. Federation ... The AD FS Web Agent for Windows NT token-based applications could not contact the Federation Service during startup. Federation ... 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 Federation ... The AD FS Web Agent for Windows NT token-based applications encountered a serious error. Memory allocation failed. Until ... The AD FS Web Agent for Windows NT token-based applications encountered a serious error. Registration for change notification ...