What server is each DNS server using as its primary DNS server? If it is using the other server, that might cause your problem, if for some reason, it's not failing over to the next one in the list in a timely fashion.
Also, when you do an NSLOOKUP locally on each server, is it responding via IPv6 or IPv4? -ASB: http://XeeSM.com/AndrewBaker Sent from my Motorola Droid On Oct 30, 2010 7:10 PM, "Martin Blackstone" <mblackst...@gmail.com> wrote: > When one of the servers is down DNS becomes totally unreachable until they > are both available. > > So two DC's both hosting DNS. Shut down one, and the other stops serving DNS > and DHCP. Once they are both up, everything comes back. > > > > Has anyone seen this? > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe ntsysadmin
