Secondary DNS not working Jonathan 11/26/2008 6:47:00 AM Hi Everyone, My Environment description: DHCP with Primary and secondary DNS running on Windows 2003 AD I have noticed that when the primary DNS server is offline some of the applications running on clients wouldn’t work. Such as MS Dynamics and nslookup command. Web surfing is working fine. For nslookup, it depend on which version. Windows XP is able to failover to secondary DNS but not Vista business. For Dynamics, the application failed to open when the primary DNS is put back online. Anyone knows what is happening? Thanks, Jonathan

Re: Secondary DNS not working "A, Deji" <deji[ at ]akomolafe.com> 11/26/2008 8:09:44 AM Are you sure that the secondary DNS server is working properly and reacheable by all the clients? Are you able to ping it by IP address? How about using nslookup to connect to it by IP address? When the Primary is up, are you able to reach the SECONDARY from the clients? Did you try looking in the event log on the secondary server to see if there is any relevant error? Have you tried netdiag and dcdiag? What do they say? [Quoted Text] > For Dynamics, the application failed to open when the primary DNS is put > back online. I think you have a tyop there, or is that exactly what you meant to say? Deji "Jonathan" <Jonathan[ at ]discussions.microsoft.com> wrote in message news:B2DFA9C0-9AB1-451D-9D8F-16B1B2410955[ at ]microsoft.com... > Hi Everyone, > My Environment description: > DHCP with Primary and secondary DNS running on Windows 2003 AD > > I have noticed that when the primary DNS server is offline some of the > applications running on clients wouldn’t work. Such as MS Dynamics and > nslookup command. Web surfing is working fine. > > For nslookup, it depend on which version. Windows XP is able to failover > to > secondary DNS but not Vista business. > > For Dynamics, the application failed to open when the primary DNS is put > back online. > > Anyone knows what is happening? > > Thanks, > Jonathan >