DHCP service existed on more than 1 server for redunduncy

Discussion in 'Windows Server' started by John, Nov 1, 2006.

  1. John

    John Guest

    Hi,

    I'd like to find out if it's okay to leave say 2 servers running DHCP
    service serving the same subnet. I recently had to rebuild our print server
    and ended up moving DHCP, DNS services over to another temporary server. I
    got some information as far as importing DHCP configurations into a new
    server and with the conflict detection switch in place (i.e. value more than
    0), 2 DHCP servers with the same scope should play nicely with each other?

    Any concerns I should be aware of? I know if I'm making changes to one DHCP
    setting such as adding a new reserved IP, I'll need to make sure to do the
    same on the 2nd server. But I like having the redundency. Is there any way
    to update the 2nd server via script so changes will need to be made on the
    first server only?

    Thanks for your help.
     
    John, Nov 1, 2006
    #1
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  2. You should split the scope between the 2 servers to avoid conflicts:

    http://support.microsoft.com/kb/280473/en-us

    You can create identical reservations on each server as long as they are the
    same subnet.

    Doug Sherman
    MCSE, MCSA, MCP+I, MVP
     
    Doug Sherman [MVP], Nov 1, 2006
    #2
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  3. John

    John Guest

    Thank you Doug. I checked the log and I didn't see any DHCP errors yet!
    I'll split it up.

    Is there an easy way to export just the DHCP reservation to another server?

    Thanks again.
     
    John, Nov 1, 2006
    #3
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