Comments on: IP address conflict – Source device identification

By: Albin Sebastian

Albin Sebastian — Tue, 17 May 2011 04:12:18 +0000

@Navin,
Thanks for your feedback

By: Navin

Navin — Sun, 15 May 2011 21:52:08 +0000

Thanks Albin, its a great article, I was searching for exact term and found this, thanks again for sharing.

By: Albin Sebastian

Albin Sebastian — Fri, 20 Aug 2010 08:50:47 +0000

Hi @steven
This can be happen due to following
If the same computer configured a new adapter without properly removing the hardware (Network cards / Motherboard), the configuration will remain.
Or
There may be a device with same IP in the network. (You won’t get the ping reply if ICMP blocked in the device, you can check them with a port scanner)
Also Clear the ARP table of the LAN switch.
If the problem is not rectified, find the packets using a packet analyzer like Ethereal
While you assign an IP address the windows server, It send an ARP broadcast to check whether the IP address is using in the network. You can see the reply source (MAC also) Find out the Device with MAC address

By: steven

steven — Thu, 19 Aug 2010 09:23:13 +0000

i have an issue. i have a static IP address that was assigned to windows server 2008. this server was then shutdown and and reinstalled with windows 2003 version. all partition was formatted before reinstalled.
when i tried to use back the IP, it mention that it’s already use in the network.
i have also remove the information from the DNS and try again but failed.
i tried to ping the IP and was timeout.
how could I fine release IP address which is now seems to be invisible?

By: Dusty Sperandeo

Dusty Sperandeo — Fri, 01 Jan 2010 17:13:25 +0000

Love this post! Thanks for this. I’ll be sure to come back again. I’ve bookmark your site as well.

By: Arun Das

Arun Das — Wed, 30 Dec 2009 04:35:46 +0000

It is very helpful, Thanks for the information