You can enable and disable ping on windows server,Go to command prompt.
To Enable ping from the command prompt type the following command:
netsh firewall set icmpsetting 8
Now ping is enabled.
To disable ping,open the command prompt and type the following command:
netsh firewall set icmpsetting 8 disable
Note: In windows 2008, the firewall configuration disables the ICMP packet reply by default. So you need to enable it.-