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Using Selenium Grid 2. Hub is running on the Hyper-V host and is listening to port 4444. I've confirmed this by browsing to it from a different PC, and by using netstat -a -t -o.

However, my guest VMs cannot connect to port 4444 on the host. They can connect to port 80 on the host.

Also, using IE on the host cannot connect to port 4444 on the host.

I don't think it's a firewall issue because I can connect to port 4444 (and port 80) from a different (physical) machine on the network. I can't turn the firewall off (enforced by policy), but I have added java.exe as an exception.

It doesn't appear to be a binding issue: the Selenium output shows that it's binding to 0.0.0.0, and this is shown in the netstat output as well.

Any ideas how I fix this?

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Sounds like a firewall issue. –  Chris S May 11 '12 at 14:13
    
Yeah, it does sound like a firewall issue, but I don't think so. Updated the question. –  Roger Lipscombe May 11 '12 at 17:28
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