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User authentication may take one to two minutes when you log on to the network in Windows XP

Article ID: 884862 - View products that this article applies to.

SYMPTOMS

When you log on to your network on a Microsoft Windows XP-based computer that contains both a wireless connection network card and a wired connection network card, the Log On to Windows dialog box may remain on the screen for one to two minutes. After the dialog box disappears, you can successfully log on.

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CAUSE

This problem may occur when the following conditions are true:

Neither the wired network card nor the wireless network card uses the Authenticate as computer when computer information is available option
The DHCP client assigns an old IP address to your wireless network card before authentication has finished

Note To locate the Authenticate as computer when computer information is available option, follow these steps:

Click Start, and then click Control Panel.
Click Network and Internet Connections.
Click Network Connections.
Right-click your network connection, and then click Properties.
Click the Authenticate tab.

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RESOLUTION

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:

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

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

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.

Prerequisites

There are no prerequisites to install this hotfix.

Restart information

You do not have to restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

Hotfix 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 XP Service Pack 1 (SP1):

   Date         Time   Version             Size  File name
   ----------------------------------------------------------
   12-Nov-2004  00:38  5.1.2600.1592    105,984  Dhcpcsvc.dll
   20-Sep-2004  18:26  5.1.2600.1592    172,160  Ndis.sys
   20-Sep-2004  04:24  5.1.2600.1592     12,416  Ndisuio.sys
   12-Nov-2004  00:38  5.1.2600.1592  1,643,520  Netshell.dll
   20-Sep-2004  04:25  5.1.2600.1592     84,864  Nwlnkipx.sys
   12-Nov-2004  00:38  5.1.2600.1607     57,344  Wzcdlg.dll
   12-Nov-2004  00:38  5.1.2600.1607     31,232  Wzcsapi.dll
   12-Nov-2004  00:38  5.1.2600.1607    282,624  Wzcsvc.dll
   20-Sep-2004  05:05  5.1.2600.1592    594,432  Xpsp2res.dll

Windows XP Service Pack 2 (SP2):

   Date         Time   Version             Size  File name
   ----------------------------------------------------------
   12-Nov-2004  00:30  5.1.2600.2562    359,936  Wzcsvc.dll

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