Enable ICMP Replies of Server 2008
Posted by Monica Castro on 21 January 2011 03:26 PM
**Enable ICMP Replies via the local Command Prompt
On your Server Core machine, at a command prompt, type the following:

"netsh firewall set icmpsetting 8"

This will allow you to ping the Server Core server from a remote machine, and receive a reply.
note: type w/o the quote

You can always run the following command in order to disable this option:
"netsh firewall set icmpsetting 8 disable"

**Enable ICMP Replies via Windows Firewall Management Snap-in from a remote computer
You will first have to enable the Server Core server to allow remote Windows firewall Management connections. To do so, please follow the steps outlined in my "Remotely Managing Windows 2008 Server Core Firewall" article.

After performing the steps in that article, you will be able to enable or disable any Firewall rule from the remote snap-in.

In order to enable ICMP Echo Replies from the Server Core server, allowing the administrators to test for connectivity issues with the server, go to Inbound Rules. In the results pane scroll down till you find File and Printer Sharing (Echo Request – ICMPv4-In), right-click it and choose Enable.

Albert Estillore

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