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FIX: An update is available that updates the Common.reg file in Windows Embedded Compact 7-based devices to comply with the latest Bluetooth SIG requirement

Article ID: 2633756 - View products that this article applies to.

SUMMARY

This article describes an update that updates the Common.reg file in Windows Embedded Compact 7-based devices to comply with the latest Bluetooth Special Interest Group (SIG) requirement.

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A supported software update is now available from Microsoft as "Windows Embedded Compact 7 Monthly Update October 2011." 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

(http://www.microsoft.com/download/en/search.aspx?q=Windows+Embedded+7+Monthly+Update)

About this update

Before you apply this update, a Windows Embedded Compact 7-based device may not pass the Logical Link Control and Adaptation Layer Protocol (L2CAP) test in the Profile Tuning Suite (PTS). Because of the baseband connection, an asynchronous channel link cannot disconnect in 10 seconds after no L2CAP usage occurs. This update changes the L2CAP behavior to disconnect the baseband connection after 9 seconds of L2CAP idle time.

When you apply this update, the following registry change is made to the public\COMMON\oak\files\common.reg file.

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Before this update	After this update
[HKEY_LOCAL_MACHINE\Software\Microsoft\Bluetooth\l2cap] "IdlePhys":dword=A ;	[HKEY_LOCAL_MACHINE\Software\Microsoft\Bluetooth\l2cap] "IdlePhys":dword=9 ;

After this change is made, the L2CAP test is successful.

Notes

In some scenarios, the PTS may still fail.
As a member of Bluetooth SIG, you can obtain the PTS from the following Bluetooth SIG website:
https://www.bluetooth.org/pts/download
(https://www.bluetooth.org/pts/download)

Prerequisites

This update is supported only if all previously issued updates for this product are also 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

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File name	File size	Date	Time	Path
Common.reg	452,374	21-Oct-2011	02:53	public\common\oak\files

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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

(http://support.microsoft.com/kb/824684/ )

Description of the standard terminology that is used to describe Microsoft software updates

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

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