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  • changing IP for the domain

    Hi,
    We are about to change our internal IP addresses.
    we use window 2000 AD domain.
    is there a microsoft (or someone else) documentation about this process?

    Thanks

  • #2
    Do you have more then one DC ?
    Do you have legacy clients and WINS set up ?
    Guy Teverovsky
    "Smith & Wesson - the original point and click interface"

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    • #3
      Hi,

      I have 2 domain controllers.
      we use active dirctory DNS and DHCP no WINS.
      I have no problem changing the IP's but I there is the AD and the DNS to take into account

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      • #4
        Are the DNS zones AD integrated or stored in files ?
        At which DNS is each DC pointing ? (itself or the other DC)

        Basically the switchover can be done like this:
        (out of the top of my head, so please bare)

        1) Make sure each DC is pointing to the other DC as it's primary resolver
        2) At first DC change the IP and run
        Code:
        ipconfig /flushdns
        net stop netlogon
        net start netlogon
        this will re-register the DC's DNS records in the second DC (assuming that you are not switching subnets - in which case you need proper routing established between the subnets)
        3) Make sure DC2's DNS has the new IP of the DC1
        4) Do the same on DC2
        5) Make sure the replication is working and both DNS's have the new values registerd

        If you are switching subnets:
        1) At DC1 add a new IP adress as additional IP for the NIC
        2)
        Code:
        ipconfig /flushdns
        net stop netlogon
        net start netlogon
        3) Do the same on DC2
        4) Make sure the DNS resolvers on both DCs are pointing to the new IP of the other DC
        5) Make sure the new IPs have been registered in DNS
        6) remove the old IPs from the NICs of both DCs and restart the netlogon service again on both DCs
        7) Make sure the DNS is clean and both DCs are replicating

        After the switch, make sure that old IPs do not show in the DNS, so that that the clients will not get confised when trying to locate the DCs.

        The process is pretty streigh forward.
        Guy Teverovsky
        "Smith & Wesson - the original point and click interface"

        Comment

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