Migration from Plesk 9.5.4 is failed to start. The following error can be found in
System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond <source_server_IP>:6489
Firewall blocks traffic on source port 6489.
- Traffic is filtered by intermediary host.
Check if source server port 6489 is allowed in windows firewall.
Check if it is accessible from destination server. Telnet should establish the connection:
telnet <source_server_IP> 6489 Connecting To <source_server_IP>...