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  2. FIX: An incorrect IP address is assigned to the Wi-Fi adapter in a Windows Embedded Compact 7-based device

FIX: An incorrect IP address is assigned to the Wi-Fi adapter in a Windows Embedded Compact 7-based device

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Symptoms

On a Windows Embedded Compact 7-based device, you may experience the following issues.

Issue1

Consider the following scenario:
  • You have a Windows Embedded Compact 7-based device that has a Wi-Fi adapter installed.
  • You configure a static IP address for the Wi-Fi adapter and connect to a wireless access point.
  • You confirm the IP address and disconnect from the wireless access point. To disconnect, you delete the wireless local area network (WLAN) profile from the NETUI dialog box.
  • You reconnect to the wireless access point and confirm the IP address for the Wi-Fi adapter.

In this scenario, you may notice that an automatic IP address is assigned to the Wi-Fi adapter even though a static IP address is configured.

Issue 2

Consider the following scenario:
  • You have a Windows Embedded Compact 7-based device that has a Wi-Fi adapter installed.
  • You enable Dynamic Host Configuration Protocol (DHCP) configurations for the Wi-Fi adapter and connect to a wireless access point.
  • You confirm the IP address of the Wi-Fi adapter and disconnect from the wireless access point. To disconnect, you delete the wireless local area network (WLAN) profile from the NETUI dialog box.
  • You reconnect to the wireless access point and confirm the IP address again for the Wi-Fi adapter.

In this scenario, you may notice that the assigned IP address is changed every time that the connection is established even though the lease period is not expired.

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Cause

These issues may occur because the DHCP module for Windows Embedded Compact 7 does not handle IP address assignments correctly.

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Resolution

Software update information

A supported software update is now available from Microsoft as Windows Embedded Compact 7 Monthly Update February 2012. In the "File information" section, the package file name contains the processor type.

Note This Windows Embedded Compact 7 Monthly Update is available for download from the following Microsoft Download Center website:
Windows Embedded Compact 7 Updates

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:
  • On the Build menu, click Clean Solution, and then click Build Solution.
  • On the Build menu, click Rebuild Solution.
You do not have to restart the computer after you apply this software update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this software update package 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 item in Control Panel.

Files that are included in this update package
File nameFile sizeDateTimePath
Dhcp.dll118,78411-Feb-201201:20Public\Common\Oak\Target\Armv5\Checked
Dhcp.dll167,93611-Feb-201201:20Public\Common\Oak\Target\Armv5\Debug
Dhcp.dll53,24811-Feb-201201:20Public\Common\Oak\Target\Armv5\Retail
Dhcp.dll118,78411-Feb-201201:21Public\Common\Oak\Target\Armv6\Checked
Dhcp.dll167,93611-Feb-201201:21Public\Common\Oak\Target\Armv6\Debug
Dhcp.dll53,24811-Feb-201201:21Public\Common\Oak\Target\Armv6\Retail
Dhcp.dll118,78411-Feb-201201:22Public\Common\Oak\Target\Armv7\Checked
Dhcp.dll167,93611-Feb-201201:22Public\Common\Oak\Target\Armv7\Debug
Dhcp.dll53,24811-Feb-201201:22Public\Common\Oak\Target\Armv7\Retail
Dhcp.dll143,36011-Feb-201201:23Public\Common\Oak\Target\Mipsii\Checked
Dhcp.dll192,51211-Feb-201201:23Public\Common\Oak\Target\Mipsii\Debug
Dhcp.dll61,44011-Feb-201201:23Public\Common\Oak\Target\Mipsii\Retail
Dhcp.dll143,36011-Feb-201201:24Public\Common\Oak\Target\Mipsii_fp\Checked
Dhcp.dll192,51211-Feb-201201:24Public\Common\Oak\Target\Mipsii_fp\Debug
Dhcp.dll61,44011-Feb-201201:24Public\Common\Oak\Target\Mipsii_fp\Retail
Dhcp.dll110,59211-Feb-201201:25Public\Common\Oak\Target\Sh4\Checked
Dhcp.dll143,36011-Feb-201201:25Public\Common\Oak\Target\Sh4\Debug
Dhcp.dll49,15211-Feb-201201:25Public\Common\Oak\Target\Sh4\Retail
Dhcp.dll94,20811-Feb-201201:26Public\Common\Oak\Target\X86\Checked
Dhcp.dll126,97611-Feb-201201:26Public\Common\Oak\Target\X86\Debug
Dhcp.dll40,96011-Feb-201201:26Public\Common\Oak\Target\X86\Retail

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References

For more information about software update terminology, 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

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Keywords: kbqfe, kbfix, kbnotautohotfix, kbpubtypekc, kbexpertiseinter, kbsurveynew, kb

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Article Info
Article ID : 2655816
Revision : 1
Created on : 1/7/2017
Published on : 3/9/2012
Exists online : False
Views : 201