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SBS 2008 DNS problems

R

RSiggs

Gawd
Joined
Dec 31, 2007
Messages
858
I'm helping a client (and fellow [H] member) with a problem at his workplace- they tried a migration from SBS 2003 to 2008. For various reasons it didn't work, and then I got involved. Most things are working, but DNS is causing no end of headaches - it's a pretty simple setup, and appears healthy for about 10 minutes, then goes useless and stops handing out responses.

A check via wireshark showed that it wasn't handing off queries to the forwarders as it should, or defaulting to root hints either.

SBS2008 is the only product I've run across this particular issue with, and it appears to be endemic to it, since we removed DNS, reinstalled it, re-configured it, and even (gasp) used the tool M$ provides for setup of the networking configuration.

I know there's a few SBS folks here, anything spring to mind as 'gotchas' to be aware of?

Thanks,

R
 
ipconfig /flushdns
ipconfig /registerdns
net stop netlogon
net start netlogon


Try that first to re-register the DNS on the server. Report back
 
Are you getting any errors in the event logs besides the obvious unresponsive DNS server/service
 
k1pp3r said:
ipconfig /flushdns
ipconfig /registerdns
net stop netlogon
net start netlogon


Try that first to re-register the DNS on the server. Report back
Click to expand...

Heh- did that probably 4 times with each change of confg, along with restarting the dns service itself. No change- DNS resolves wonderfully for about 10m, then croaks.
 
"and even (gasp) used the tool M$ provides for setup of the networking configuration"

Did you use the 'tools' to setup the rest of the SBS configs? SBS relies heavily on wizards for almost everything and not using them, can break it.

yeold and marley I think do alot of SBS
 
dbwillis said:
"and even (gasp) used the tool M$ provides for setup of the networking configuration"

Did you use the 'tools' to setup the rest of the SBS configs? SBS relies heavily on wizards for almost everything and not using them, can break it.

yeold and marley I think do alot of SBS
Click to expand...

Regrettably, I came into it after things were FUBAR'ed, so I think some of the wizards were run, but can't state so definitively.

I've advised the client to contact MS Support directly for next steps.
 
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