DHCP Does Not Obtain a New Address When EAP Reauthenticates Across Access Points with IP Subnets That Differ

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article has been archived. It is offered "as is" and will no longer be updated.
Symptoms
When the Extensible Authentication Protocol (EAP) reauthenticates across access points with Internet Protocol (IP) subnets that differ, the DHCP service on the client does not obtain a new IP address.
Resolution

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack

Hotfix information

A supported hotfix is 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 software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

The English version of this hotfix has the file attributes (or later) 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 XP

Date         Time   Version           Size    File name----------------------------------------------------------24-Aug-2003  00:24  5.1.2600.1264     99,840  Dhcpcsvc.dll24-Aug-2003  00:23  5.1.2600.1254    168,192  Ndis.sys02-Aug-2003  09:38  5.1.2600.1254     12,416  Ndisuio.sys24-Aug-2003  00:24  5.1.2600.1254  1,630,208  Netshell.dll24-Aug-2003  00:24  5.1.2600.1264     57,344  Wzcdlg.dll  24-Aug-2003  00:24  5.1.2600.1264     31,232  Wzcsapi.dll 24-Aug-2003  00:24  5.1.2600.1264    281,088  Wzcsvc.dll  20-Aug-2003  23:02  5.1.2600.1264    560,128  Xpsp2res.dll

Windows XP, 64-Bit Edition

Date         Time   Version           Size    File name      Platform---------------------------------------------------------------------24-Aug-2003  00:53  5.1.2600.1264    308,736  Dhcpcsvc.dll   IA-6402-Aug-2003  10:38  5.1.2600.1254    579,328  Ndis.sys02-Aug-2003  10:38  5.1.2600.1254     41,088  Ndisuio.sys24-Aug-2003  00:53  5.1.2600.1254  2,736,128  Netshell.dll   IA-6424-Aug-2003  00:24  5.1.2600.1264     99,840  Wdhcpcsvc.dll  x8624-Aug-2003  00:24  5.1.2600.1254  1,630,208  Wnetshell.dll  x8624-Aug-2003  00:24  5.1.2600.1264     57,344  Wwzcdlg.dll    x8624-Aug-2003  00:24  5.1.2600.1264     31,232  Wwzcsapi.dll   x8624-Aug-2003  00:24  5.1.2600.1264    281,088  Wwzcsvc.dll    x8620-Aug-2003  23:02  5.1.2600.1264    560,128  Wxpsp2res.dll  x8624-Aug-2003  00:53  5.1.2600.1264    117,760  Wzcdlg.dll     IA-6424-Aug-2003  00:53  5.1.2600.1264     65,024  Wzcsapi.dll    IA-6424-Aug-2003  00:53  5.1.2600.1264    685,056  Wzcsvc.dll     IA-6420-Aug-2003  23:02  5.1.2600.1264    559,616  Xpsp2res.dll   IA-64
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows XP Service Pack 2.
Properties

Article ID: 822596 - Last Review: 01/12/2015 21:59:20 - Revision: 3.0

Microsoft Windows XP Professional, Microsoft Windows XP Home Edition

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