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Posted by Roger Abell [MVP] on June 30, 2006, 1:35 am
Please log in for more thread options Well, OK. But all the same I would bet that when you find the
machine with IP x.x.x.x and MAC xx:xx:xx:xx:xx:xx and get it
off your network then your problems will be solved.
You tools showing only one MAC is possibly only able to show
the most recent MAC per IP (who would have designed for
multiple MACs per IP?), hence the DC's.
--
Roger
> what strange things is i already using any netwrok scanner software..thats
> if some client machine online , the software will check the ip address and
> mac address..
> and i cant change the ip address, because that server act as domain
> controller , dhcp server..etc
> but type arp -a ip addresss command..i only see one mac address..didnt see
> duplicate..
>
>> not sure what you mean by find IP addr from the MAC, as the event
>> message tells you both.
>> You have another machine that has come online using an IP that is also
>> in use on the machine where you see this sense message.
>> You need to find it and fix the issue there (or, if more expedient change
>> the IP of the machine where event is seen in order to avoid problems
>> until the rogue can be located - however, changing the IP may be
>> problematic depending on machine role and how others access it).
>>
>>> Event ID : 4199
>>> Source : TCP/IP
>>> Description: The system detected an address conflict for IP address
>>> x.x.x.x with the system having network hardware address
>>> xx:xx:xx:xx:xx:xx. Network operations on this system may
>>> be disrupted as a result.
>>>
>>> i try all the method already from microsoft..
>>>
>>> i wanna know is it possible to find out the ip address from mac address?
>>>
>>> one curious thing was that ..server is running properly still...
>>>
>>> dont know how to fix it ..the error message keep poping up around an
>>> hour
>>> per time..
>>>
>>> many thanks
>>>
>>>
>>>
>>
>>
>
>
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