FIX: DHCP allocator takes 3 seconds to respond on a Windows Embedded Compact 7-based device

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Introduction

This article describes an issue in which the Dynamic Host Configuration Protocol (DHCP) allocator takes 3 seconds to respond to incoming DHCP packets on a Windows Embedded Compact 7-based device. An update is available to resolve this issue. Before you install this update, you must have all previously issued updates for this product installed.

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Symptoms

You run the ipconfig /release and the ipconfig /renew commands on a Windows Embedded Compact 7-based device to test the DHCP allocator. If the device is connected to a private network, the DHCP allocator takes 3 seconds to respond to the DHCP DISCOVER and DHCP REQUEST packets.

Note You expect to immediately receive the IP address that is assigned by DHCP.

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Resolution

Software update information

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

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
Dhcpallo.lib	440,718	12-Mar-2015	12:02	Public\Common\Oak\Lib\X86\Retail
Dhcpallo.lib	686,856	12-Mar-2015	12:02	Public\Common\Oak\Lib\X86\Debug
Dhcpallo.lib	683,750	12-Mar-2015	12:02	Public\Common\Oak\Lib\X86\Checked
Dhcpallo.lib	482,952	12-Mar-2015	12:03	Public\Common\Oak\Lib\Armv5\Retail
Dhcpallo.lib	792,244	12-Mar-2015	12:02	Public\Common\Oak\Lib\Armv5\Debug
Dhcpallo.lib	763,644	12-Mar-2015	12:03	Public\Common\Oak\Lib\Armv5\Checked
Dhcpallo.lib	483,040	12-Mar-2015	12:03	Public\Common\Oak\Lib\Armv6\Retail
Dhcpallo.lib	792,300	12-Mar-2015	12:02	Public\Common\Oak\Lib\Armv6\Debug
Dhcpallo.lib	763,732	12-Mar-2015	12:03	Public\Common\Oak\Lib\Armv6\Checked
Dhcpallo.lib	482,358	12-Mar-2015	12:03	Public\Common\Oak\Lib\Armv7\Retail
Dhcpallo.lib	790,846	12-Mar-2015	12:02	Public\Common\Oak\Lib\Armv7\Debug
Dhcpallo.lib	760,858	12-Mar-2015	12:03	Public\Common\Oak\Lib\Armv7\Checked
Dhcpallo.lib	470,850	12-Mar-2015	12:03	Public\Common\Oak\Lib\Mipsii\Retail
Dhcpallo.lib	768,762	12-Mar-2015	12:02	Public\Common\Oak\Lib\Mipsii\Debug
Dhcpallo.lib	731,044	12-Mar-2015	12:02	Public\Common\Oak\Lib\Mipsii\Checked
Dhcpallo.lib	471,510	12-Mar-2015	12:02	Public\Common\Oak\Lib\Mipsii_fp\Retail
Dhcpallo.lib	769,418	12-Mar-2015	12:02	Public\Common\Oak\Lib\Mipsii_fp\Debug
Dhcpallo.lib	731,658	12-Mar-2015	12:02	Public\Common\Oak\Lib\Mipsii_fp\Checked
Dhcpallo.lib	445,888	12-Mar-2015	12:02	Public\Common\Oak\Lib\Sh4\Retail
Dhcpallo.lib	705,578	12-Mar-2015	12:03	Public\Common\Oak\Lib\Sh4\Debug
Dhcpallo.lib	670,062	12-Mar-2015	12:02	Public\Common\Oak\Lib\Sh4\Checked