The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.įor all supported x86-based versions of Windows 8.1įor all supported 圆4-based versions of Windows 8.1 and of Windows Server 2012 R2 MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. 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 8.1 and Windows Server 2012 R2" section. Windows RT 8.1, Windows 8.1 and Windows Server 2012 R2 The files that apply to a specific product, milestone (RTM, SP n), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table: Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. However, only "Windows 8.1" is listed on the Hotfix Request page. Windows 8.1 and Windows Server 2012 R2 file information notesImportant Windows 8.1 hotfixes and Windows Server 2012 R2 hotfixes are included in the same packages. Additionally, the dates and the times may change when you perform certain operations on the files. 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. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The global version of this hotfix installs files that have the attributes that are listed in the following tables. Hotfix replacement informationThis hotfix does not replace a previously released hotfix. Restart requirementYou must restart the computer after you apply this hotfix. Registry informationTo use the hotfix in this package, you do not have to make any changes to the registry. PrerequisitesTo apply this hotfix, you must be running Windows 8.1 or Windows Server 2012 R2. If you do not see your language, it is because a hotfix is not available for that language. #How much battery life does leaving bluetooth use downloadThe "Hotfix Download Available" form displays the languages for which the hotfix is available. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix. If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. Apply this hotfix only to systems that are experiencing this specific problem. However, this hotfix is intended to correct only the problem that is described in this article. #How much battery life does leaving bluetooth use how toUpdate informationįor more information about how to obtain update rollup 2903939, click the following article number to view the article in the Microsoft Knowledge Base:Ģ903939 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: December 2013Ī supported hotfix is available from Microsoft. #How much battery life does leaving bluetooth use installTo resolve this issue in Windows RT 8.1, install update rollup 2903939. To resolve this issue in Windows 8.1 or Windows Server 2012 R2, install update rollup 2903939, or install the hotfix that is described in this article. Note The A2DP profile defines procedures and protocols for sending high quality audio data to peer Bluetooth devices. On a Windows RT 8.1, Windows 8.1, Windows Server 2012 R2-based computer, if you use a Bluetooth device that uses Advanced Audio Distribution Profile (A2DP) for Low Power Audio Playback, the power consumption is higher than expected. This article introduces an update that improves battery life for Low Power Audio Playback in Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2. #How much battery life does leaving bluetooth use proWindows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows Server 2012 R2 Standard Windows RT 8.1 More.
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