Microsoft KB Archive/890210

= Windows XP client computers send FQDN DHCP option (81) request packets even if DNS dynamic update protocol registration is disabled globally =

Article ID: 890210

Article Last Modified on 8/29/2007

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APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition

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SYMPTOMS
On a Microsoft Windows XP-based client computer, you disable domain name system (DNS) dynamic update protocol registration globally by setting the DisableDynamicUpdate registry entry value to 1. You may find that the client computer continues to send the Fully Qualified Domain Name (FQDN) Dynamic Host Configuration Protocol (DHCP) option (81) in a request packet to the DNS server.



CAUSE
This problem occurs because DHCP clients do not read the DisableDynamicUpdate registry entry value correctly.



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
You must have Microsoft Windows XP Service Pack 1 (SP 1) or Microsoft Windows XP Service Pack 2 (SP 2) installed before you apply this hotfix.

Restart requirement
You must restart the 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.

  Date         Time   Version           Size     File name --  30-Mar-2005  17:32  5.1.2600.2643     148,480  Dnsapi.dll



After you apply the hotfix, use one of the following methods to disable domain name system (DNS) dynamic update protocol registration globally:

Method 1
 Click Start, click Run, type regedit, and then click OK. Locate and then click the following subkey:

 On the Edit menu, click New, click DWORD Value, and then type DisableDynamicUpdate . Right-click DisableDynamicUpdate, click Modify, in the Value data box, type 00000001, and then click OK. Quit Registry Editor.</ol>

Method 2
<ol> Click Start, click Run, type regedit, and then click OK.</li> Locate and then click the following subkey:

</li> On the Edit menu, click New, click DWORD Value, and then type RegistrationEnabled .</li> Right-click RegistrationEnabled, click Modify, in the Value data box, type 0, and then click OK.</li> Quit Registry Editor.</li></ol>

<div class="status_section">

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

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MORE INFORMATION
For more information description of the standard terminology that is used to describe Microsoft Software Updates, 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

Keywords: kbqfe kbhotfixserver kbfix kbbug KB890210

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