Having the same issue.
Server Im trying to P2V is MS Windows server 2008 r2 using VMware Vcenter Converter standalone v 6.2.0
same error.
When i searched some of the other forums i found some said to add the destination IP to the Host file in the
C:\Windows\System32\drivers\etc which i have tried as well. It did not resolve the issue.
Antivirus is disabled and Firewall rule has been set to allow traffic from 443 and 902.