Q

Block ICMP messages and echo replies to ping requests

Thanks for the great tip on how to block inbound traffic to ports 139 and 445 on workstations. Is there a similar security rule/policy that blocks Internet Control Message Protocol (ICMP) messages and prevents the workstation from sending an echo reply to a ping request? If so, how can I do it? Thanks in advance.
Yes, one of the default IP Filters available to you will affect "All ICMP Traffic," allowing you to either allow or deny that traffic to or from a given host, IP or subnet.
This was last published in July 2003

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You can try re-booting the system in the directory service restore mode  or a special boot mode for repairing recovering active directory
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