Introduction

This article describes an issue in which the Dynamic Host Configuration Protocol (DHCP) module does not accept ACK packets in Windows Embedded Compact 7. An update is available to resolve this issue. Before you install this update, all previously issued updates for this product must be installed.

Symptoms

You have the October 2013 Monthly Update or a later monthly update installed on a Windows Embedded Compact 7-based device. When there is a short lease time and a high DhcpMaxRetries count, the DHCP module does not accept the ACK packet after it sends the REQUEST for T1 or T2 renewals.

Resolution

Software update information

A supported software update is now available from Microsoft as Windows Embedded Compact 7 Monthly Update (February 2015).

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.

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

131,072

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Retail

Dhcp.map

203,482

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Retail

Dhcp.rel

36,887

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Retail

Dhcp.dll

249,856

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Debug

Dhcp.map

290,579

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Debug

Dhcp.rel

95,003

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Debug

Dhcp.dll

163,840

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Checked

Dhcp.map

234,554

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Checked

Dhcp.rel

57,738

20-Feb-2015

05:10

Public\Common\Oak\Target\X86\Checked

Dhcp.dll

159,744

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv5\Retail

Dhcp.map

196,980

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv5\Retail

Dhcp.rel

49,067

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv5\Retail

Dhcp.dll

339,968

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv5\Debug

Dhcp.map

293,192

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv5\Debug

Dhcp.rel

76,617

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv5\Debug

Dhcp.dll

204,800

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv5\Checked

Dhcp.map

228,751

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv5\Checked

Dhcp.rel

69,831

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv5\Checked

Dhcp.dll

155,648

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv6\Retail

Dhcp.map

196,980

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv6\Retail

Dhcp.rel

49,067

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv6\Retail

Dhcp.dll

339,968

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv6\Debug

Dhcp.map

293,189

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv6\Debug

Dhcp.rel

76,617

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv6\Debug

Dhcp.dll

204,800

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv6\Checked

Dhcp.map

228,754

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv6\Checked

Dhcp.rel

69,831

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv6\Checked

Dhcp.dll

155,648

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv7\Retail

Dhcp.map

196,980

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv7\Retail

Dhcp.rel

49,067

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv7\Retail

Dhcp.dll

339,968

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv7\Debug

Dhcp.map

293,192

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv7\Debug

Dhcp.rel

76,617

20-Feb-2015

05:10

Public\Common\Oak\Target\Armv7\Debug

Dhcp.dll

204,800

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv7\Checked

Dhcp.map

228,670

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv7\Checked

Dhcp.rel

69,802

20-Feb-2015

05:11

Public\Common\Oak\Target\Armv7\Checked

Dhcp.dll

188,416

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii\Retail

Dhcp.map

194,483

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii\Retail

Dhcp.rel

155,903

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii\Retail

Dhcp.dll

380,928

20-Feb-2015

05:10

Public\Common\Oak\Target\Mipsii\Debug

Dhcp.map

290,653

20-Feb-2015

05:10

Public\Common\Oak\Target\Mipsii\Debug

Dhcp.rel

386,685

20-Feb-2015

05:10

Public\Common\Oak\Target\Mipsii\Debug

Dhcp.dll

241,664

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii\Checked

Dhcp.map

226,358

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii\Checked

Dhcp.rel

216,252

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii\Checked

Dhcp.dll

188,416

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii_fp\Retail

Dhcp.map

194,483

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii_fp\Retail

Dhcp.rel

155,903

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii_fp\Retail

Dhcp.dll

380,928

20-Feb-2015

05:10

Public\Common\Oak\Target\Mipsii_fp\Debug

Dhcp.map

290,652

20-Feb-2015

05:10

Public\Common\Oak\Target\Mipsii_fp\Debug

Dhcp.rel

386,685

20-Feb-2015

05:10

Public\Common\Oak\Target\Mipsii_fp\Debug

Dhcp.dll

241,664

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii_fp\Checked

Dhcp.map

226,358

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii_fp\Checked

Dhcp.rel

216,252

20-Feb-2015

05:11

Public\Common\Oak\Target\Mipsii_fp\Checked

Dhcp.dll

143,360

20-Feb-2015

05:10

Public\Common\Oak\Target\Sh4\Retail

Dhcp.map

197,462

20-Feb-2015

05:10

Public\Common\Oak\Target\Sh4\Retail

Dhcp.rel

84,302

20-Feb-2015

05:10

Public\Common\Oak\Target\Sh4\Retail

Dhcp.dll

290,816

20-Feb-2015

05:11

Public\Common\Oak\Target\Sh4\Debug

Dhcp.map

293,284

20-Feb-2015

05:11

Public\Common\Oak\Target\Sh4\Debug

Dhcp.rel

155,671

20-Feb-2015

05:11

Public\Common\Oak\Target\Sh4\Debug

Dhcp.dll

184,320

20-Feb-2015

05:11

Public\Common\Oak\Target\Sh4\Checked

Dhcp.map

229,316

20-Feb-2015

05:11

Public\Common\Oak\Target\Sh4\Checked

Dhcp.rel

109,967

20-Feb-2015

05:11

Public\Common\Oak\Target\Sh4\Checked


References

Learn about the terminology that Microsoft uses to describe software updates.

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