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Microsoft Network DHCP help

Posted on 2013-01-31
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Last Modified: 2013-01-31
i had two machines on my network drop thier given DHCP ip address and it was replaced with

192.168.1.100
255.255.255.0
192.168.1.1

any ideas?
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Question by:JerseyGiant
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Expert Comment

by:foxpc123
ID: 38840321
Is it possible that you have another DHCP server on the network.

You could always check the TCP/IP alternative settings on the network parameters to see if they have these manually set.

Could you provide an ipconfig /all of the affected machines?
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by:JerseyGiant
ID: 38840338
the manually setting were not changed. theses are XP machines , i stated win7 but was incorrect. we have only 1 DHCP server. bizzar right?
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Assisted Solution

by:TazDevil1674
TazDevil1674 earned 250 total points
ID: 38840355
Do you have an ADSL router on the same network?  192.168.1.1 sounds more like a router!
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

 
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Expert Comment

by:choward16980
ID: 38840367
What is the DHCP server??   Is both leases listed on the server?  Or the new conflicting lease?  It's more then likely someone plugging in a piece of hardware with DHCP enabled if you don't see the troubled lease on your DHCP server.
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by:choward16980
ID: 38840378
PS, this doesn't sound like a Windows 7 issue unless you have cloned emac addresses on the NICs.
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foxpc123 earned 250 total points
ID: 38840384
If 192.168.1.1 is not a recognised address in your network  it may be worth trying to open this in a browser to see if you get a login - and it may tell you what it is as well.
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Author Comment

by:JerseyGiant
ID: 38840443
ya know what. i bet you thats it a router is plugged in somewhere with DHCP eenabled..
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by:TazDevil1674
ID: 38840451
try to access http://192.168.1.1 from one of the PCs that got the odd DHCP
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Author Comment

by:JerseyGiant
ID: 38840838
thanks it was the router .. thanks ,i just disabbled the DHCP.
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Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

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