Re: Unable to resolve one web site through DNS running 2003 Server

From: Aaron (Aaron_at_discussions.microsoft.com)
Date: 01/07/05 

Date: Fri, 7 Jan 2005 08:47:03 -0800

Thanks for the help. I upgraded my PIX to the lastest software and increased
the packets to 4096 and it fixed my problem.

"Kevin D. Goodknecht Sr. [MVP]" wrote:

> In news:01E6996E-A4B3-477E-959D-95B36EB9489A@microsoft.com,
> Aaron <Aaron@discussions.microsoft.com> commented
> Then Kevin replied below:
> > I'm having a problem at my site with DNS not resolving
> > one web site (www.yahoo.com) for my internal network. I
> > can get to the site by going to the ip address so I know
> > it's accessible from inside our network. I'm not able to
> > ping it by name and I spoke with our ISP and they they've
> > been having a few complaints from other companies with
> > the same issue but with different sites so maybe this a
> > bug in 2003 server but I've not been able to find a fix
> > yet so I'm hoping someone else has the fix. I've put a
> > machine outside my firewall and used the ISP's DNS server
> > address and I'm able to get to the site fine. All my
> > machines on the internal network are pointing to our
> > internal DNS server which has 3 of our ISP's DNS servers
> > set as forwarders but apparently it's not working. Any
> > help would be greatly appreciated. Thanks.
>
> Cisco Pix Firewall maybe?
> Fix the Pix Firewall to allow EDNS (UDP packets over 512 bytes), you can go
> as high a the MTU of the link. You can also disable EDNS, which can reduce
> the efficiency of Win2k3 DNS.
> 828731 - An External DNS Query May Cause an Error Message in Windows Server
> 2003
> http://support.microsoft.com/default.aspx?scid=kb;en-us;828731
>
> --
> Best regards,
> Kevin D4 Dad Goodknecht Sr. [MVP]
> Hope This Helps
> ===================================
> When responding to posts, please "Reply to Group"
> via your newsreader so that others may learn and
> benefit from your issue, to respond directly to
> me remove the nospam. from my email address.
> ===================================
> http://www.lonestaramerica.com/
> ===================================
> Use Outlook Express?... Get OE_Quotefix:
> It will strip signature out and more
> http://home.in.tum.de/~jain/software/oe-quotefix/
> ===================================
> Keep a back up of your OE settings and folders
> with OEBackup:
> http://www.oehelp.com/OEBackup/Default.aspx
> ===================================
>
>
>

Relevant Pages