IP address {0} entry is found in DNS server for machine "{1}" but the machine does not respond to ping request and we are ...

IP address {0} entry is found in DNS server for machine "{1}" but the machine does not respond to ping request and we are not able to check for its MAC address. If you are sure that the IP address {0} is not used by any other machine you can try to reuse the IP address. Do you want to reuse the IP address {0}?