Control Windows firewall state on a remote computer

You can enable or disable the Windows firewall on a remote computer.
Download the Sysinternals Suite from the sysinternals website:

Extract this zip file and see if PsExec.exe is in there.

Disable the firewall state without stopping the firewall services on a remote computer.
Pre-Windows 2008 method:
psexec \\remotecomputer.mydomain.com “netsh firewall set opmode disable”
Post-Windows 2008 method:
psexec \\remotecomputer.mydomain.com “netsh advfirewall set currentprofile state off”

Enable the firewall state without stopping the firewall services on a remote computer.
Pre-Windows 2008 method:
psexec \\remotecomputer.mydomain.com “netsh firewall set opmode enable”
Post-Windows 2008 method:
psexec \\remotecomputer.mydomain.com “netsh advfirewall set currentprofile state on”