Article ID: 2830154 - View products that this article applies to.
Important This hotfix is only applicable to Windows 8 and Windows Server 2012. However, the rest of the information in this article is applicable to Windows 8.1, Windows Server 2012 R2, Windows 8, and Windows Server 2012.
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Symptoms

Consider the following scenario:
  • You have a USB hub connected to a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012. 
  • You have a USB device connected to a USB port on the hub.
  • You safely remove the USB device from the USB port.
  • You reconnect the same USB device or a different USB device to the same USB port on the hub.
In this scenario, the computer does not detect the USB device.

Note This issue affects USB 2.0 hubs and USB 2.0 components in USB 3.0 hubs.

Cause

This issue occurs because the USB port is disabled after you safely remove the device from the port.

Resolution

To resolve this issue, install the Windows RT, Windows 8, and Windows Server 2012 update rollup 2845533, or install the hotfix that is described in this article.

Update information

For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2845533 Windows RT, Windows 8, and Windows Server 2012 update rollup: June 2013

Hotfix information

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:
http://support.microsoft.com/contactus/?ws=support
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 be running Windows 8 or Windows Server 2012.

Registry information

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows

Important  You must apply the following registry changes to resolve this issue in Windows 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012.

Note
In Windows 8 and Windows Server 2012, you must create the registry key before you restart the computer (after you have applied this hotfix).

To enable the update for a specific device, follow these steps:
  1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
  2. In the search box, type regedit, and then tap or click regedit.
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    UAC
    If you are prompted to enter an administrator password, type the password. If you are prompted to provide confirmation, provide confirmation.
  3. Locate and then tap or click the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\UsbFlags
  4. On the Edit menu, point to New, and then tap or click Key.
  5. Type a name for the new key by using the following format:
    vvvvpppprrrr
    Notes
    1. "vvvv" represents a 4-digit hexadecimal number that identifies the vendor ID of the device.
    2. "pppp" represents a 4-digit hexadecimal number that identifies the product ID of the device.
    3. "rrrr" represents a 4-digit binary coded decimal number that contains the revision number of the device.
  6. On the Edit menu, point to New, and then tap or click DWORD (32-bit) Value.
  7. Type DisableOnSoftRemove.
  8. Press and hold or right-click DisableOnSoftRemove, and then tap or click Modify.
  9. In the Value data box, type 0, and then tap or click OK.
  10. Exit Registry Editor.
To enable the update for all the USB devices that are enumerated on the computer, follow these steps:

  1. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
  2. In the search box, type regedit, and then tap or click regedit.
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    UAC
    If you are prompted to enter an administrator password, type the password. If you are prompted to provide confirmation, provide confirmation.
  3. Locate and then tap or click the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbhub
  4. On the Edit menu, point to New, and then tap or click Key.
  5. Type HubG.
  6. On the Edit menu, point to New, and then tap or click DWORD (32-bit) Value.
  7. Type DisableOnSoftRemove.
  8. Press and hold or right-click DisableOnSoftRemove, and then tap or click Modify.
  9. In the Value data box, type 0, and then tap or click OK.
  10. Exit Registry Editor.
Note When the value of the DisableOnSoftRemove registry entry is set to 0, the system does nothing when a USB device is removed. When the value of the DisableOnSoftRemove registry entry is set to 1, the system disables the port from which a USB device is removed.

Restart requirement

You must restart the computer after you apply this hotfix and/or the registry change.

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 8 and Windows Server 2012 file information notes
Important Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" 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 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:
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    VersionProductMilestoneService branch
    6.2.920 0.20 xxxWindows 8 and Windows Server 2012RTMLDR
  • 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 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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
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File nameFile versionFile sizeDateTimePlatform
Usbhub3.sys6.2.9200.16603361,72803-May-201303:48x86
Usbhub3.sys6.2.9200.20707361,72803-May-201304:16x86
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For all supported x64-based versions of Windows 8 and of Windows Server 2012
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File nameFile versionFile sizeDateTimePlatform
Usbhub3.sys6.2.9200.16603446,20803-May-201307:00x64
Usbhub3.sys6.2.9200.20707446,20803-May-201307:00x64
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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 the DisableOnSoftRemove registry entry and the effects of enabling or not disabling a USB port on soft remove, click the following article number to view the article in the Microsoft Knowledge Base:
2401954 USB Port Remains Active for Disabled or Safely Removed USB Device

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 8 and Windows Server 2012

Additional files for all supported x86-based versions of Windows 8
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File nameUpdate-bf.mum
File versionNot applicable
File size1,763
Date (UTC)03-May-2013
Time (UTC)15:04
PlatformNot applicable
File nameX86_usbhub3.inf_31bf3856ad364e35_6.2.9200.16603_none_f2e110b11e2c8fc0.manifest
File versionNot applicable
File size2,104
Date (UTC)03-May-2013
Time (UTC)03:54
PlatformNot applicable
File nameX86_usbhub3.inf_31bf3856ad364e35_6.2.9200.20707_none_f36eaea4374694e6.manifest
File versionNot applicable
File size2,104
Date (UTC)03-May-2013
Time (UTC)04:42
PlatformNot applicable
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Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012
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File nameAmd64_usbhub3.inf_31bf3856ad364e35_6.2.9200.16603_none_4effac34d68a00f6.manifest
File versionNot applicable
File size2,108
Date (UTC)03-May-2013
Time (UTC)07:10
PlatformNot applicable
File nameAmd64_usbhub3.inf_31bf3856ad364e35_6.2.9200.20707_none_4f8d4a27efa4061c.manifest
File versionNot applicable
File size2,108
Date (UTC)03-May-2013
Time (UTC)07:05
PlatformNot applicable
File nameUpdate-bf.mum
File versionNot applicable
File size1,989
Date (UTC)03-May-2013
Time (UTC)15:05
PlatformNot applicable
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Properties

Article ID: 2830154 - Last Review: March 15, 2014 - Revision: 2.0
Applies to
  • Windows 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 8
  • Windows 8 Enterprise
  • Windows 8 Pro
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Essentials
  • Windows Server 2012 Foundation
  • Windows Server 2012 Standard
Keywords: 
kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced kbautohotfix KB2830154

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