I'm setting up a Windows Server 2008 box, and everything is working great (database, remote login, etc.), but it doesn't respond to ping. Normally I might not care, but I'm setting up Nagios monitoring for it, too, and Nagios seems to want to know it can ping it.

My first thought was the firewall, but I even tried turning the firewall off entirely for a minute, and I still couldn't ping it.

What am I missing? Is there something I need to enable/disable to make ping work?

(Have pity ... I'm normally a Unix admin, not a Windows admin. :-)