Here at my job I have five machines with Windows 8 Consumer Preview installed on it. Today I was testing the network conectivity and any of the five machines answered to a ICMP ping request (but from another way, they are OK on pinging a Windows 7 system). So, I changed the switch, tested on another network that have one machine with Windows 8 and the same problem, no ping responses from Windows 8 (even pinging from Windows 7 to Windows 8 machine didn't work).
Is someone else having problems on pinging Windows 8 machines?
Does Microsoft disabled ping on Windows 8?
It is a installable feature now(such as Telnet Client)?
Should this be a problem related to the embedded network drivers on Windows 8?