Symantec Data Loss Prevention (DLP)
Network Prevent for Email
Detector (NP for Email) upgraded from DLP 14.6 to DLP 15.1and doesn't communicate with Enforce server.
Detector server on console shows up with status Unknown.
Communication.properties configuration file configured with a serverbindname=IPAddress and host to IP address mapping is not configured at the server C:\Windows\System32\Drivers\etc\hosts file, and java.net.PlainSocketImpl.socketBind(Native Method) is configured to bind tcp port 8100 to a host that doesn't exist in the hosts file.
DLP 15.1, Windows Server 2012 R2
Comment the serverbindname=IPAddress line in the Communication.properties under the C:\SymantecDLP\Protect\config directory as shown bellow.