Reply To: Confirm Hosts Status failed

Hi All,
I am also getting the same error and using the below version.
Ambari 1.6.11
centos6 64 bit
HDP 2.1.5
* I am accessing the Ambari (on same 8080) from the same machine but its failed to registered.
* From ambari server able to ssh to target server with out password and the same from target server to ambari server.
* Permission for /root/.ssh folder is 700 and authroized.keys is 600
* FQDN was set for the host in hosts file.
Please suggest me what might be the problem???????