Unable to share file between host and Hyper v machine

Hi,

I have created a hyper v machine (server 2008 r2) on my host machine 2008 r2,  host is abc.com domain and hyperv machine is xyz.com domain. on both the machine i can access internet, but unable to share file or ping each other.

file sharing ,network discovery is on. firewall is disabled for domain aswell.

Host IP: 192.168.1.2 GW: 192.168.1.1

Hyper v Machine IP: 192.168.1.10 GW: 192.168.1.1

Unable to find out what is causing  problem.