"Try again and make sure that the device is discoverable" error when you pair a Bluetooth device in Windows 8.1

This article describes an issue that occurs when you pair a Bluetooth device in Windows 8.1 or Windows RT 8.1. A hotfix is available to resolve this issue. Before you install this hotfix, check out the Prerequisites section.
Symptoms
This issue occurs when you pair a Bluetooth Smart (low energy) device. After you confirm the error message, all discoverable Bluetooth devices under new Windows UI disappear.

Resolution

Hotfix information

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

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

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have update 2919355 installed in Windows 8.1.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

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

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 0.16 xxxWindows RT 8.1RTMGDR
    6.3.960 0.17 xxxWindows 8.1 and Windows RT 8.1RTMGDR
  • 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 are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Bthenum.sys6.3.9600.1789639,42402-Jun-201516:49x86
Bthmini.sys6.3.9600.1789623,55202-Jun-201516:49x86
Bthport.sys6.3.9600.178961,014,78402-Jun-201516:48x86
Bthusb.sys6.3.9600.1789660,92802-Jun-201516:49x86
Fsquirt.exe6.3.9600.17415229,37629-Oct-201401:28x86
For all supported x64-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Bthenum.sys6.3.9600.1789653,24802-Jun-201517:42x64
Bthmini.sys6.3.9600.1789631,74402-Jun-201517:43x64
Bthport.sys6.3.9600.178961,201,66402-Jun-201517:41x64
Bthusb.sys6.3.9600.1789681,92002-Jun-201517:42x64
Fsquirt.exe6.3.9600.17415241,15229-Oct-201402:03x64
For all supported Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Bthenum.sys6.3.9600.1789639,93602-Jun-201516:22Not applicable
Bthmini.sys6.3.9600.1789625,60002-Jun-201516:22Not applicable
Bthport.sys6.3.9600.17896949,24802-Jun-201516:22Not applicable
Bthusb.sys6.3.9600.1789659,90402-Jun-201516:22Not applicable
Fsquirt.exe6.3.9600.16384226,81622-Aug-201302:39Not applicable

Additional file information


Additional file information for Windows 8.1

Additional files for all supported x86-based versions of Windows 8.1
File propertyValue
File nameX86_bth.inf_31bf3856ad364e35_6.3.9600.17896_none_06dbac20d73126d6.manifest
File versionNot applicable
File size4,629
Date (UTC)03-Jun-2015
Time (UTC)01:59
PlatformNot applicable

Additional files for all supported x64-based versions of Windows 8.1
File propertyValue
File nameAmd64_bth.inf_31bf3856ad364e35_6.3.9600.17896_none_62fa47a48f8e980c.manifest
File versionNot applicable
File size4,633
Date (UTC)03-Jun-2015
Time (UTC)02:03
PlatformNot applicable
Additional files for all supported Windows RT 8.1
File propertyValue
File nameArm_bth.inf_31bf3856ad364e35_6.3.9600.17896_none_06de1e78d72e459c.manifest
File versionNot applicable
File size4,629
Date (UTC)03-Jun-2015
Time (UTC)01:56
PlatformNot applicable


Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
See the terminology that Microsoft uses to describe software updates.
Properties

Article ID: 3020785 - Last Review: 07/14/2015 18:10:00 - Revision: 1.0

Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1

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