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 | IP Conflict
Fra : nayer.er |
Dato : 25-12-06 18:22 |
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we've 3 Domains in our enviroment including 15 servers but everyday
there's error which appears in specific 3 servers (SQL Server , Domain
controller , Exchange Server).
The error is about conflict in the IP Addresses on this 3 servers
(These servers has Static IPs) and whenever i see the event viewer to
check about this conflict it appears to me on the 3 servers that the
MAC address which cause this error is the same on all of them.
I tried to check this MAC address in our enviroment to know which
computer is causing this error on the servers using the MAC address
table on the core switch but i couldn't find this MAC address on the
table.
So i was wondering if that could be a virus which's infecting our
servers and if not then what could be the reason.
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 Snuden (25-12-2006)
| Kommentar
Fra : Snuden |
Dato : 25-12-06 19:37 |
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On 25 Dec 2006 09:21:42 -0800, "nayer.er" <nezzeldin@gmail.com> wrote:
>we've 3 Domains in our enviroment including 15 servers but everyday
>there's error which appears in specific 3 servers (SQL Server , Domain
>controller , Exchange Server).
>
>The error is about conflict in the IP Addresses on this 3 servers
>(These servers has Static IPs) and whenever i see the event viewer to
>check about this conflict it appears to me on the 3 servers that the
>MAC address which cause this error is the same on all of them.
>
>I tried to check this MAC address in our enviroment to know which
>computer is causing this error on the servers using the MAC address
>table on the core switch but i couldn't find this MAC address on the
>table.
>
>So i was wondering if that could be a virus which's infecting our
>servers and if not then what could be the reason.
You run DHCP on your clients? If so, have you maybe forgotten to
exclude the server IP-addresses from the DHCP-scope?
--
Snuden
"I am a river to my people" -Auda abu Tayi
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Tom (26-12-2006)
| Kommentar
Fra : Tom |
Dato : 26-12-06 10:33 |
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> The error is about conflict in the IP Addresses on this 3 servers
> (These servers has Static IPs) and whenever i see the event viewer to
> check about this conflict it appears to me on the 3 servers that the
> MAC address which cause this error is the same on all of them.
>
> I tried to check this MAC address in our enviroment to know which
> computer is causing this error on the servers using the MAC address
> table on the core switch but i couldn't find this MAC address on the
> table.
>
> So i was wondering if that could be a virus which's infecting our
> servers and if not then what could be the reason.
I don't think this is caused by a virus.
On each of the affected servers do the following:
Click on start and run, type cmd, and in the command window type ipconfig
/all it will show you the MAC address on the network card in the server,
that way you can compare them.
How often do you get the error?
If the log is filled up with this kind of errors, then when the server is
not in use you try to disconnect it form the network, and ping it's IP
address from a another computer e.g. with ping -a that will show you if
there is another computer on the network with the same IP address and maybe
the computer name.
/Tom
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