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Random clients trying to ping DNS servers

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mmXmm

MIS
Jan 12, 2007
17
US
Hello,

I'm managing a network of about 100/150 XP computers with 2003 servers. We are in a child domain of a larger institution-wide forest. We do not manage any DNS servers ourselves. Randomly (happens a lot as clients are booting up) clients will send out 20 to 30 pings at the 4 DNS servers we use in the forest. It gets blocked by our firewall. It's not super devastating or anything; but, peculiar and it's begining to annoy me.

If anyone has any ideas they would be much appreciated.
 
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