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Multiple computers with same IP Address

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fenstrat

fenstrat

Technical User
Nov 5, 2002
226
US
I have recently noticed that some IP addresses have multiple computers registered in Windows DNS. DHCP only has one computer registered with the address. Any ideas of how to fix this?
 
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You'll probably need to track down the workstations that aren't supposed to have that IP address and set them back to DHCP. Sounds like they've hard-set their IP addresses for some reason or other..
 
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I don't think that DHCP is the problem, I think that DNS is not removing old records. Some of the machines do not even exist anymore. I have scavenging set for 7 days, any other ideas?
 
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Scavenging was set to the individual zones but was not configured at the server level. I think it has to be configured at both levels in order to work.

 
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