Microsoft KB Archive/873430

= DNS clients may not be able to access sites where the CNAME resource record for the site has been cached on a Windows Server 2003 DNS server =

Article ID: 873430

Article Last Modified on 7/24/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise x64 Edition

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SYMPTOMS
DNS clients may not be able to access sites where the CNAME resource record for the site has been cached on a Windows Server 2003 DNS server.



CAUSE
This problem occurs because the Windows Server 2003 DNS feature may not add CNAME resource records if they were previously cached and then expired. When the DNS feature does not add the CNAME resource record for a site, DNS clients cannot resolve the domain name address of the site.



Hotfix information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
No prerequisites are required.

Restart requirement
You must restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Windows Server 2003, 32-bit editions
  Date         Time   Version            Size  File name 27-Jul-2004 23:39  5.2.3790.196    423,424  Dns.exe

Windows Server 2003, 64-Bit Enterprise Edition
  Date         Time   Version            Size  File name  Platform 27-Jul-2004 23:41  5.2.3790.196  1,024,512  Dns.exe       IA-64 27-Jul-2004 23:39  5.2.3790.196    423,424  Wdns.exe        x86



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For additional information about the terminology that is used in this article, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional query words: SERVER_FAIL, akamai

Keywords: kbbug kbfix kbwinserv2003presp1fix kbqfe kbhotfixserver KB873430

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