The Health Registration Authority was unable to acquire a certificate for request with the correlation-id %1 at %2 (principal: ...

The Health Registration Authority was unable to acquire a certificate for request with the correlation-id %1 at %2 (principal: %3). 
The Certification Authority %4 denied the request with the following error: %6 (%7). 
This failure was possibly due to a network related issue. The request will be discarded if no other Certification Authorities are available.
This server will not be tried again for %5 minutes.
Contact the Certification Authority administrator for more information.