VMWare vCenter Converter Standalone – key can’t be retrieved. (return code 2) issue

Question :

I’m having an issue to perform P2V one of my linux CentOS 6.5 machine using the VMware standalone converter version 5.5. I get below error :

FAILED: A general system error occurred:
Network error. Host 192.x.x.x key can't be retrieved. (return code 2)

Answer :
1. Edit the files hosts.allow on /etc fixed the issues. Please also make sure SSH port has been opened.

vi /etc/hosts.allow

Add the following :

ALL:ALL

2. Restart the network.

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