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Symptoms

Consider the following scenario:

  • You have a Windows Embedded Compact 7-based device.

  • There is a wireless router with Dynamic Host Configuration Protocol (DHCP) enabled on the network.

  • You connect the device to the network by using a wireless router.


In this scenario, you may notice that the device cannot obtain an IP address.

Cause

This issue occurs because the Windows Embedded Compact 7-based device uses the BROADCAST packet type to send DHCP discover messages. However, the wireless router may not support the packet type.

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 name

File size

Date

Time

Path

Dhcp.dll

118,784

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv5\Checked

Dhcp.map

110,152

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv5\Checked

Dhcp.rel

38,627

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv5\Checked

Dhcp.dll

167,936

15-Dec-2011

04:55

Public\Common\Oak\Target\Armv5\Debug

Dhcp.map

114,182

15-Dec-2011

04:55

Public\Common\Oak\Target\Armv5\Debug

Dhcp.rel

39,352

15-Dec-2011

04:55

Public\Common\Oak\Target\Armv5\Debug

Dhcp.dll

53,248

15-Dec-2011

04:55

Public\Common\Oak\Target\Armv5\Retail

Dhcp.map

40,786

15-Dec-2011

04:55

Public\Common\Oak\Target\Armv5\Retail

Dhcp.rel

14,238

15-Dec-2011

04:55

Public\Common\Oak\Target\Armv5\Retail

Dhcp.dll

118,784

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv6\Checked

Dhcp.map

110,152

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv6\Checked

Dhcp.rel

38,627

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv6\Checked

Dhcp.dll

167,936

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv6\Debug

Dhcp.map

114,182

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv6\Debug

Dhcp.rel

39,352

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv6\Debug

Dhcp.dll

53,248

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv6\Retail

Dhcp.map

40,786

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv6\Retail

Dhcp.rel

14,238

15-Dec-2011

04:56

Public\Common\Oak\Target\Armv6\Retail

Dhcp.dll

114,688

15-Dec-2011

04:58

Public\Common\Oak\Target\Armv7\Checked

Dhcp.map

110,069

15-Dec-2011

04:58

Public\Common\Oak\Target\Armv7\Checked

Dhcp.rel

38,598

15-Dec-2011

04:58

Public\Common\Oak\Target\Armv7\Checked

Dhcp.dll

167,936

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv7\Debug

Dhcp.map

114,182

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv7\Debug

Dhcp.rel

39,352

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv7\Debug

Dhcp.dll

53,248

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv7\Retail

Dhcp.map

40,786

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv7\Retail

Dhcp.rel

14,238

15-Dec-2011

04:57

Public\Common\Oak\Target\Armv7\Retail

Dhcp.dll

143,360

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii\Checked

Dhcp.map

107,866

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii\Checked

Dhcp.rel

126,671

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii\Checked

Dhcp.dll

188,416

15-Dec-2011

04:58

Public\Common\Oak\Target\Mipsii\Debug

Dhcp.map

111,645

15-Dec-2011

04:58

Public\Common\Oak\Target\Mipsii\Debug

Dhcp.rel

153,612

15-Dec-2011

04:58

Public\Common\Oak\Target\Mipsii\Debug

Dhcp.dll

61,440

15-Dec-2011

04:58

Public\Common\Oak\Target\Mipsii\Retail

Dhcp.map

38,655

15-Dec-2011

04:58

Public\Common\Oak\Target\Mipsii\Retail

Dhcp.rel

50,053

15-Dec-2011

04:58

Public\Common\Oak\Target\Mipsii\Retail

Dhcp.dll

143,360

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Checked

Dhcp.map

107,866

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Checked

Dhcp.rel

126,671

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Checked

Dhcp.dll

188,416

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Debug

Dhcp.map

111,645

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Debug

Dhcp.rel

153,612

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Debug

Dhcp.dll

61,440

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Retail

Dhcp.map

38,655

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Retail

Dhcp.rel

50,053

15-Dec-2011

04:59

Public\Common\Oak\Target\Mipsii_fp\Retail

Dhcp.dll

110,592

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Checked

Dhcp.map

110,657

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Checked

Dhcp.rel

61,827

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Checked

Dhcp.dll

143,360

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Debug

Dhcp.map

114,107

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Debug

Dhcp.rel

69,396

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Debug

Dhcp.dll

49,152

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Retail

Dhcp.map

41,391

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Retail

Dhcp.rel

28,709

15-Dec-2011

05:00

Public\Common\Oak\Target\Sh4\Retail

Dhcp.dll

94,208

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Checked

Dhcp.map

107,531

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Checked

Dhcp.rel

34,625

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Checked

Dhcp.dll

126,976

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Debug

Dhcp.map

111,370

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Debug

Dhcp.rel

39,903

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Debug

Dhcp.dll

40,960

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Retail

Dhcp.map

38,699

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Retail

Dhcp.rel

11,019

15-Dec-2011

05:01

Public\Common\Oak\Target\X86\Retail

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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