A sign-in request was received, but no account stores or account partners are configured in the Federation Service trust ...

A sign-in request was received, but no account stores or account partners are configured in the Federation Service trust policy. 

Until at least one account store or account partner is configured in the trust policy, no sign-in requests can be processed. 

User Action 
Ensure that the Federation Service trust policy defines at least one account store or account partner. 

This error may occur in the Federation Service Proxy when data replication from the Federation Service is delayed. To refresh the trust policy immediately, restart Internet Information Services (IIS) in the Federation Service Proxy.