One machine cannot access a specific site.
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One machine cannot access a specific site.

 
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Sander
Guest
Posted: Wed Jan 12, 2005 2:27 am    Post subject: One machine cannot access a specific site. Reply with quote
For some weird reason, I can't access one site www.cdw.com. Every other
machine on my network can get to it, except for mine. I have done a
flushdns, registerdns, nslookup..... I double checked that it's trying to
go to the right ip, and I've typed the IP straight in, but I still can't get
to that site. I'm really clueless on what to do next. It tried to open the
page, but then gets a Cannot find server or DNS Error

I know this may not be the best forum to post this in, but maybe it's server
related.

Thanks,

Sander
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Sharad Naik
Guest
Posted: Wed Jan 12, 2005 2:44 am    Post subject: Re: One machine cannot access a specific site. Reply with quote
Does your machine have Static Public IP?
If yes then may be cdw.com has backlisted your
IP (doing drop packets on your IP).

Sharad
"Sander" <noemail@noemail.com> wrote in message
news:u6n6uvB%23EHA.1524@TK2MSFTNGP09.phx.gbl...
Quote:
For some weird reason, I can't access one site www.cdw.com. Every other
machine on my network can get to it, except for mine. I have done a
flushdns, registerdns, nslookup..... I double checked that it's trying to
go to the right ip, and I've typed the IP straight in, but I still can't
get to that site. I'm really clueless on what to do next. It tried to
open the page, but then gets a Cannot find server or DNS Error

I know this may not be the best forum to post this in, but maybe it's
server related.

Thanks,

Sander

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Kevin D. Goodknecht Sr. [
Guest
Posted: Wed Jan 12, 2005 2:49 am    Post subject: Re: One machine cannot access a specific site. Reply with quote
In news:u6n6uvB%23EHA.1524@TK2MSFTNGP09.phx.gbl,
Sander <noemail@noemail.com> commented
Then Kevin replied below:
Quote:
For some weird reason, I can't access one site
www.cdw.com. Every other machine on my network can get
to it, except for mine. I have done a flushdns,
registerdns, nslookup..... I double checked that it's
trying to go to the right ip, and I've typed the IP
straight in, but I still can't get to that site. I'm
really clueless on what to do next. It tried to open the
page, but then gets a Cannot find server or DNS Error

I know this may not be the best forum to post this in,
but maybe it's server related.

Sounds like it could be an MTU problem.

Use this command to check your MTU to the machines gateway, then to find the
MTU to www.cdw.com.

ping -f www.cdw.com -l 1472 Lower the packet size until the ping returns
then set your MTU on the machine to that number plus 28. The maximum MTU for
the internet is 1500 bytes minus the 28 overhead, that's why you start at
1472.
If it times out it is probably MTU

--
Best regards,
Kevin D4 Dad Goodknecht Sr. [MVP]
Hope This Helps
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Todd J Heron
Guest
Posted: Wed Jan 12, 2005 5:39 am    Post subject: Re: One machine cannot access a specific site. Reply with quote
Hosts file?

--
Todd J Heron, MCSE
Windows Server 2003/2000/NT
----------------------------------------------------------------------------
This posting is provided "as is" with no warranties and confers no rights
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Guest
Posted: Fri Jan 21, 2005 4:20 am    Post subject: Re: One machine cannot access a specific site. Reply with quote
I had the same problem today, and called our newly-minted CDW account
manager. He suggested I enter this URL, to purge out-dated CDW
cookies.

http://www.cdw.com/cookiemonster.asp

Much to my surprise, it fixed the symptom... I'd tried most of the
troubleshooting techniques you've described in your post. The repknew
exactly what I was talking about, so I suppect this is not an uncommon
problem.

Hope this helps!
Cheers,
Ed
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