Don't know if these still apply, but take a look at the referenced KB articles here: http://social.technet.microsoft.com/Forums/windowsserver/en-US/a1583d7f-fa59-4497-89de-666d683e53a0/can-dc-be-multihomed-in-windows-2008-server
Kurt On Mon, Apr 7, 2014 at 1:02 PM, Datum Guru <[email protected]> wrote: > If everything was DHCP that would be ideal. What if there are many devices > that have static IP info assigned. > > Is there any known issues with multiple IP's on domain controllers? > > > > On Thu, Apr 3, 2014 at 3:47 PM, Kurt Buff <[email protected]> wrote: >> >> IMHO, it's simpler to shorten the DHCP lease time to something like 4 >> hours, update the scope or global options in DHCP to reflect the new >> DCs settings and let the two DCs coexist for a few days, then demote >> the old one. >> >> Kurt >> >> On Thu, Apr 3, 2014 at 1:38 PM, Datum Guru <[email protected]> wrote: >> > Are there any negatives to adding a second IP address (in the same >> > subnet) >> > to a single NIC on a domain controller? >> > >> > The theory is there will be a "DNS Server IP." This is the IP that will >> > be >> > set as the DNS server on static assignments and what DHCP hands out. >> > >> > Example: >> > Assume AD integrated DNS and all domain controller have DNS installed. >> > The DNS Server IP: 192.168.1.5 >> > >> > Domain controller DC-1 has the IP 192.168.1.10 and the additional IP >> > 192.168.1.5. >> > >> > When I want to retire DC-1 I would promote a new domain controller DC-2 >> > which would have the IP 192.168.1.20. When both domain controllers have >> > fully replicated and are functioning correctly I would remove the second >> > IP >> > (192.168.1.5) from DC-1 and add it as a second IP to DC-2. >> > >> > At this point there is still 2 domain controllers functioning but DNS >> > clients that are pointing to 192.168.1.5 are using the new DC-2. >> > >> > Demoting the first DC-1 should not negatively effect any device after >> > that. >> > There is no moving IPs from computer to computer or renaming computers. >> > >> > I have done much googling and have not found an answer to this question. >> > This is not multi-homed, everything is on the same subnet, and there is >> > only >> > 1 NIC in each DC. >> > >> > Thanks, >> > >> >> >

