An update is available that lets you configure a dual-band wireless access point in Windows XP Service Pack 2 (899337)

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A dual-band wireless access point can transmit on two wireless bands at the same time. For example, a dual-band access point may be useful if you want to increase bandwidth on a network by using a dual-band wireless router. You can use one band for computers, PDAs, and other devices. You can use the other band for a Media Center Extender for Microsoft Windows XP Media Center Edition 2005. This configuration gives the Media Center Extender all the bandwidth of one band. You can then move large files over the other band without affecting streaming video over the Media Center network.

Before you apply this update, the Network Setup Wizard only configures one access point after a user uses the Wireless Network Setup Wizard to set up a dual-band router. After you apply this update, the Wireless Network Setup Wizard configures both of the access points.

Update information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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
   ----------------------------------------------------------
   08-Mar-2005  01:39  5.1.2600.2626     14,592  Ndisuio.sys
   09-Mar-2005  18:10  5.1.2600.2626  1,705,472  Netshell.dll
   13-May-2005  17:16  5.1.2600.2676    383,488  Wzcdlg.dll
   09-Mar-2005  18:10  5.1.2600.2626     52,736  Wzcsapi.dll
   09-Mar-2005  18:10  5.1.2600.2626    474,112  Wzcsvc.dll
   12-May-2005  23:41  5.1.2600.2676     17,920  Xpsp3res.dll

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