The system detected an address conflict for IP address with the system having network hardware address 00-50-56-91-72-82. Network operations on this system may be disrupted as a result.

Posted on 2011-05-05
Last Modified: 2012-05-11
TO support
we have exchange 2010 sp1  dag configured mailbox server
exchange 2010 dag cluster ip conflict issue
please find system event
Gitesh Chavan
Teamone Technologies Pvt Ltd
Question by:hkgogri

    Author Comment

    would please help on issue
    LVL 2

    Expert Comment

    There seems to be two network deces having the same IP addreee in your network.

    This normally only happens if you do not use DHCP but fix IP adresses instead.

    Did you add any new boxes to your network. If so: Disonnect them and see if problem disappears.

    Good luck - sg08234
    LVL 3

    Expert Comment

    Use the Command to find the Ip for the metioned MAc

    c:\>arp -a | find 00-50-56-91-72-82

    After getting the Ip try to look for Hostname

    Also Cross check the Cluster IP and Exchange node IP's too

    LVL 3

    Expert Comment

    What are you using as a router for your network?

    Easiest way to fix this problem is to find out what the range of
    addresses is being handed out by your DHCP server (most likely done by your router, or by one of your servers), and then fix the server to an address outside that range, or since this sounds like it is your primary mail server, change that range to NOT hand out that address, by changing the range to not include that address.
    LVL 19

    Accepted Solution

    Shows VM Ware:
    00-50-56-            vmware, inc.
    LVL 22

    Expert Comment

    by:Dr. Klahn
    This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.

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