Re: P2V error "FAILED: An error occurred while opening a virtual disk. Verify that the Converter server and the running source machines have a network access to the source and destination ESX/ESXi hosts."

What about your *source* machine has no access to ESX (as mentioned in error message)?

This is error from log:

2015-03-11T16:43:26.051+08:00 [38480 warning 'Default'] [,0] [NFC ERROR] NfcNewAuthdConnectionEx: Failed to connect to peer. Error: Failed to connect to server 192.168.124.159:902