You don't have to restart anything. As long as the addresses
don't overlap you should be fine.

"mac" <mac32bit@hotmail.com> wrote in message news:
> Hi
>
> I have 2 servers (PDC and BDC) in a single NT4 domain. The PDC is
> currently our only DHCP server. I want to enable DHCP Server on the BDC
> for redundancy, it is currently installed but the service is disabled
> at startup.
>
> I thought I would start the DHCP Server service on the BDC then add the
> total scope and configuartion options that match the PDC. I would then
> add the exclusions, following MS's 80/20 design rule, where I would
> exclude the first 80% of IPs from the scope of the BDC and exclude the
> last 20% of IPs from the scope of the PDC.
>
> Can I do this whilst PCs are connected to LAN? How do I switch over ?
> Do I just configure it and let it get on with it or do I have to stop
> and start DHCP Server services on both machines?
>
> Any other pitfalls to watch for?
>
> Thanks in advance
>