Your problem is:
2013-11-12T11:45:33.788+08:00 [10280 warning 'Default'] [,0] [NFC ERROR] NfcNewAuthdConnectionEx: Failed to connect to peer. Error: Host address lookup for server hksht1ap023.as.aecomnet.com failed: No such host is known
The host is not visible from the machine where Converter Server/Worker or Converter Agent are running.
HTH
