http://blogs.technet.com/b/sbs/archive/2009/01/29/cannot-resolve-names-in-certain-top-level-domains-like-co-uk.aspx

>From the mouth of the horse.


From: Jimmy Tran [mailto:[email protected]]
Sent: 25 April 2012 20:39
To: NT System Admin Issues
Subject: Server 2008 R2 and SBS 2011 DNS cache problems

At the office I've been noticing a log of "bad packets" on my DNS server with 
the error 5501, The DNS server encountered a bad packet from 2.22.230.194.  
Packet processing leads beyond packet length. The event data contains the DNS 
packet.. When this happens, the page I'm trying to visit looks to be broken or 
have some styling issues.  When I clear the DNS cache, it works properly again.

This also happens on my home SBS 2011 machine.  Visits to Dell, Skype and 
GoDaddy constantly have this problem.  I finally decided to do some research 
and it looks to be an issue with EDns.  I'm not sure if anyone else has 
experienced this issue but here is the fix.  I just thought I would share what 
I learned today.

Open command prompt as administrator and run "dnscmd /config /EnableEDNSProbes 
0".  This instantly fixed my Web/DNS problems.  Here is the link to the article 
I found: 
http://weblogs.asp.net/owscott/archive/2009/09/15/windows-server-2008-r2-dns-issues.aspx.

Jimmy


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