FIX: If you set the APN blocking feature in MDM on a Windows Mobile 6.1-based device, all APNs can be used to connect to the VPN of a company

If you set the Access Point Network (APN) blocking feature in Mobile Device Manager (MDM) on a Windows Mobile 6.1-based device, all APNs can still be used to connect to the virtual private network (VPN) of a company. This problem occurs in the following versions of Adaptation Kit Update (AKU) for Windows Mobile 6.1:
  • AKU
  • AKU 1.2.x
  • AKU 1.3.x
Note This feature works well in AKU 1.1, AKU 1.4, and in later versions of AKU.

Software update information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

How to install the software update

If you can connect the device to a computer, follow these steps:
  1. Connect the Windows Mobile-based device to the computer.
  2. Download and run the Windowsmobile61-KB969917.msi file, and then follow the instructions.
If you cannot connect the device to a computer and an update file is available, there are many ways to install the update file. For example, you can follow these steps:
  1. Download the correct update file for the Windows Mobile-based device to a computer.
  2. Attach the update file to an e-mail message, and then send the e-mail message to an account that you can access from the device.
  3. On the device, open the e-mail message, and then save the attached file.
  4. Locate the file, and then install the update.


You must have Windows Mobile AKU1.0.1 or any later versions installed before you apply this update.

Restart requirement

You have to restart the device after you apply this hotfix. You have to manually restart the device to complete the software update installation if the device does not restart automatically.

Update replacement information

This update replaces the existing APN Blocking feature or the existing APN Blacklisting feature.

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.

File nameFile versionFile sizeDateTimePlatform
Windowsmobile61-kb969917.cabNot Applicable878,40014-Apr-200907:37Not Applicable
Windowsmobile61-kb969917.msiNot Applicable898,56015-Apr-200904:49Not Applicable

To work around this problem, use AKU 1.1, AKU 1.4, or later versions of AKU.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
The APN blocking feature prevents Windows Mobile devices from using Mobile Operator APNs to connect to the VPN server of a company. IT administrators can identify the feature by using MDM. This feature is implemented in Windows Mobile version between to 6.1.4.

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

Article ID: 969917 - Last Review: 10/07/2011 21:14:00 - Revision: 3.0

Windows Mobile 6.1

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