After federating, the Diagnostic Server throws the following error:
Diagnostic Server - Federation Communication Failure
Communications fo the configuration Diagnsotic Server failed:HttpsConnection
(https://<DS host name>/api/service/federation/transactions?
fromds=<Traget DS host name>%3A3843&version=27.0&version=27.0&since=20000101010203004).readingString failed:
Authentication failure