Oh, that is some scenario I didn't think of. Basically even if you have 10 domain controllers, each individual first should be pointing to itself and then going after others, right? What about the case that exchange is also a DC, should it point to itself first? Thanks From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Carl Houseman Sent: Tuesday, November 14, 2006 4:40 PM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Re: dns order with multiple controllers? C) DC1: pointing to itself, then to DC2 DC2: pointing to itself, then to DC1 ________________________________ From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Ara Avvali Sent: Tuesday, November 14, 2006 6:39 PM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] dns order with multiple controllers? Would someone clarify this for me? When you have 2 domain controllers, which of the following is right for dns order settings? A) DC1: first pointing to itself, then point to secondary DC2: first pointing to DC1, then pointing to itself B) DC1: first pointing to DC2, then pointing to DC1 DC2: first pointing DC1, then pointing DC2