Article ID: 2813956 - View products that this article applies to.
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Symptoms

Consider the following scenario:
  • You have a Windows 7-based computer that uses mobile broadband connection.
  • You roam through different network providers. For example, this occurs when you are traveling.
  • You manually register with a network provider on the computer.
In this scenario, all mobile broadband network providers disappear from the VAN UI (View Available Networks UI).

This issue occurs when one of the following conditions is true:
  • The network provider is classified as forbidden by your home provider.
  • The network provider offers no suitable data class.
Note The provider reappears when you restart the wireless wide area network (WWAN) service.

Resolution

Update information

How to obtain this update

Microsoft Update
This update is available from the Microsoft Update website:
http://update.microsoft.com
Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
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Operating systemUpdate
All supported x86-based versions of Windows 7
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Download
Download the update package now.
All supported x64-based versions of Windows 7
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Download
Download the update package now.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

To apply this hotfix, you must be running Windows 7 Service Pack 1 (SP1).

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

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The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 7 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
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    VersionService branch
    8.1.760 1.18xxxGDR
    8.1.760 1.22xxxLDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
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File nameFile versionFile sizeDateTimePlatform
Wwanprotdim.dll8.1.7601.1811340,96019-Mar-201303:33x86
Wwansvc.dll8.1.7601.18113186,36819-Mar-201304:53x86
Wwanprotdim.dll8.1.7601.2228240,96021-Mar-201312:35x86
Wwansvc.dll8.1.7601.22282186,36821-Mar-201313:54x86
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For all supported x64-based versions of Windows 7
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File nameFile versionFile sizeDateTimePlatform
Wwanprotdim.dll8.1.7601.1811348,64019-Mar-201305:53x64
Wwansvc.dll8.1.7601.18113230,40019-Mar-201305:53x64
Wwanprotdim.dll8.1.7601.2228248,64021-Mar-201314:35x64
Wwansvc.dll8.1.7601.22282230,40021-Mar-201314:35x64
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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More information

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

Additional file information

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Additional file information for Windows 7

Additional files for all supported x86-based versions of Windows 7
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File nameX86_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.18113_none_a374e22d7d59a6c6.manifest
File versionNot applicable
File size49,377
Date (UTC)19-Mar-2013
Time (UTC)05:28
PlatformNot applicable
File nameX86_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.22282_none_a3b1cf3a96b0f0d0.manifest
File versionNot applicable
File size49,377
Date (UTC)21-Mar-2013
Time (UTC)14:24
PlatformNot applicable
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Additional files for all supported x64-based versions of Windows 7
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File nameAmd64_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.18113_none_ff937db135b717fc.manifest
File versionNot applicable
File size49,381
Date (UTC)19-Mar-2013
Time (UTC)06:32
PlatformNot applicable
File nameAmd64_microsoft-windows-wwansvc_31bf3856ad364e35_6.1.7601.22282_none_ffd06abe4f0e6206.manifest
File versionNot applicable
File size49,381
Date (UTC)21-Mar-2013
Time (UTC)15:08
PlatformNot applicable
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Properties

Article ID: 2813956 - Last Review: May 14, 2013 - Revision: 1.0
Applies to
  • Windows 7 Service Pack 1, when used with:
    • Windows 7 Enterprise
    • Windows 7 Home Basic
    • Windows 7 Home Premium
    • Windows 7 Professional
    • Windows 7 Starter
    • Windows 7 Ultimate
Keywords: 
kbfix kbsurveynew kbexpertiseadvanced atdownload KB2813956

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