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I've got a computer having DNS problems with one address only, "microsoftonline.com". Ping doesnt resolve IP but nslookup does correctly. It works from other machines. It is WinXP with no proxies

I have tried google's DNS servers with no avail. Any ideas?

The ping error is "Ping request could not find host...."

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2 Answers 2

Try flushing your DNS cache on the machine by running this from the command line:

ipconfig /flushdns
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Thanks, but this did not work. I've also tried repairing the network connection and restarting the computer. –  Robert Wagner Dec 10 '10 at 13:23

Check your hosts file, although I don't think that's likely to be the cause.

Disable the XP firewall and test.

Try net stop dnscache then net start dnscache. This seems to do something that ipconfig /flushdns doesn't, IMX.

Delete the arp cache: netsh interface ip delete arpcache

Check your routing table: route print

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