The federation server proxy has detected congestion, caused by high latency response times, on the Federation Service. The ...

The federation server proxy has detected congestion, caused by high latency response times, on the Federation Service. The load might be above the Federation Service operating capacity, or there might be network connectivity issues. Request throttling has been enforced to limit the number of concurrent requests to the following size: {0}

User Action
Verify that the Federation Service is operating within its operating capacity.
Verify that the Federation Service is not experiencing network outages.