Slave DNS server not taking over.

Chris Buxton cbuxton at menandmice.com
Thu Jul 20 19:26:50 UTC 2006


Many operating system resolvers don't make effective use of a second  
DNS server. So your experience is unsurprising.

Chris Buxton
Men & Mice

On Jul 19, 2006, at 2:42 PM, techjohnny at gmail.com wrote:

> Hello, Group:
>
> I've got an Active Directory providing the primary DNS to clients, and
> the backup DNS server is running Bind 9 as a slave.
>
> Today, the primary DNS server failed, but the clients still couldn't
> resolve, even though I was able to manually use the nslookup, change
> servers, and verify that the slave responded to requests made by the
> clients.
>
> The clients are using DHCP and have a primary and secondary dns  
> server,
> but the secondary doesn't automatically kick in when the primary  
> fails.
>
> The slave dns server is properly receiving requests from the primary
> and the zones are all up-to-date.
>
> Thanks,
>
> --TJ
>
>
>



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