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how do you remove a device from AD  NEED Answer ASAP

Posted on 2014-09-14
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A device showed up today on our network.  I can see the name and the IP but I can't access it.  I need to remove it ASAP.  HOW?
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Question by:J.R. Sitman
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by:Cliff Galiher
ID: 40322188
You can see the name and IP where?? DHCP? DNS? ADUC (which usually doesn't show IP addresses?) The question is vague and so far the goal isn't clear.
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by:J.R. Sitman
ID: 40322195
Using WSPing.  see attached.  I don't see it in DHCP or DNS
dhcp3.png
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Cliff Galiher earned 500 total points
ID: 40322203
Well, if it isn't in DHCP, DNS, or ADUC then it *probably* means someone simply plugged in a device on an unsecured port or on an unsecured AP. An IP scan doesn't mean the device is in AD. So removing said device can take anything from physically inspecting each switch and securing APs to using something like 802.1X or MAC filters to attempt to lock things down.
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Author Comment

by:J.R. Sitman
ID: 40322252
Thanks, Cliff.  You put me at ease.  I don't think there is an issue
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by:cantoris
ID: 40322748
You could inspect your switches' CAM Tables to find which switch port the device is on, look up which physical wall port that is, visit it and then give the person responsible a clip round the ear  :)
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Author Comment

by:J.R. Sitman
ID: 40323107
We don't have smart switches.  Just basic
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by:J.R. Sitman
ID: 40825597
Thanks
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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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