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"Connection is unsuccessful" error when you connect a Bluetooth device to an application in Windows 8.1 or Windows RT 8.1

View products that this article applies to.

This article describes an issue that occurs when you connect a Bluetooth device to an application in Windows 8.1 or Windows RT 8.1. An update is available to fix this issue. Before you install this update, see the Prerequisites section.

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Symptoms

When you try to connect a Bluetooth device, like a smartphone, to an application that uses the Hands-Free Profile (HFP) or the Human Interface Device Profile (HID) functionality, the connection can't be established. 

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How do I get this update?

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is provided as an Optional update on Windows Update. For more information about how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating systemUpdate
All supported x86-based versions of Windows 8.1Download Download the package now.
All supported x64-based versions of Windows 8.1 Download Download the package now.
Note The update for Windows RT 8.1 can be downloaded only from Windows Update.

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.

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Update detail information

Prerequisites

To install this update, you must have April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1.

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.
File information
The global version of this update 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 8.1 file information and notes


  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.3.960 0.17 xxxWindows RT 8.1 and Windows 8.1 RTMGDR
  • 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" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes aren't listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Bthpan.sys6.3.9600.1793195,23210-Jul-201517:47x86
For all supported x64-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Bthpan.sys6.3.9600.17931118,27210-Jul-201519:06x64
For all supported Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Bthpan.sys6.3.9600.1793190,62410-Jul-201517:14Not applicable

Additional file information


Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1
File propertyValue
File nameX86_bthpan.inf_31bf3856ad364e35_6.3.9600.17931_none_222bfad9895edaaf.manifest
File versionNot applicable
File size2,098
Date (UTC)10-Jul-2015
Time (UTC)19:01
PlatformNot applicable

Additional files for all supported x64-based versions of Windows 8.1
File propertyValue
File nameAmd64_bthpan.inf_31bf3856ad364e35_6.3.9600.17931_none_7e4a965d41bc4be5.manifest
File versionNot applicable
File size2,102
Date (UTC)10-Jul-2015
Time (UTC)20:20
PlatformNot applicable

Additional files for all supported Windows RT 8.1
File propertyValue
File nameArm_bthpan.inf_31bf3856ad364e35_6.3.9600.17931_none_222e6d31895bf975.manifest
File versionNot applicable
File size2,098
Date (UTC)10-Jul-2015
Time (UTC)18:02
PlatformNot applicable

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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.

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References

See the terminology that Microsoft uses to describe software updates.

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Keywords: kb, kbfix, kbexpertiseadvanced, atdownload, kbsurveynew

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Article Info
Article ID : 3079318
Revision : 2
Created on : 4/9/2020
Published on : 4/9/2020
Exists online : False
Views : 218