Symptoms
On a Windows XP-based, Windows Vista-based, or Windows Server 2008-based computer, you plug some streaming USB devices into a USB 2.0 hub, such as a streaming USB headset or a USB camera. However, these devices behave incorrectly. This problem presents different symptoms in Windows XP and Windows Vista.
Symptoms in Windows XP
The devices that you plug into the USB 2.0 hub behave incorrectly.For example, you listen to music from a USB headset that is connected to a USB 2.0 hub. The headset has some additional functions that have interrupt pipes, or you also have a USB input device connected to the same USB hub, such as a USB mouse or a USB keyboard. After you play and stop the music several times, the USB mouse, the keyboard, or the additional functions on the headset stop working. Additionally, you may hear some noise from the headset.
Symptoms in Windows Vista and Windows Server 2008
If the bandwidth usage of these devices is heavy, the devices may behave incorrectly.For example, you plug a USB headset with a microphone and earphones into a USB 2.0 hub. While you listen to music from the earphones, you use the microphone to record your voice. If the music is playing at a high bit rate, and you are recording at a high sample rate, you may hear some noise from the earphones.This problem occurs only when you plug a USB 1.1 device into an external USB 2.0 hub. It does not occur when you plug the USB device directly into the USB host controller.
Cause
This problem occurs because of some errors in the ISO transactions and in the INT transactions that occur between the USB 2.0 hub and the USB devices.
Resolution
This hotfix improves the USB scheduling and packet sequencing to comply with the USB 2.0 EHCI specification. Therefore, this problem is less likely to occur after you apply the hotfix.
Hotfix information for Windows XP
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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.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, contact 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 Web site:
http://support.microsoft.com/contactus/?ws=supportNote 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 Windows XP Service Pack 3 installed on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
|
File name |
File version |
File size |
Date |
Time |
Platform |
SP requirement |
|---|---|---|---|---|---|---|
|
Usbehci.sys |
5.1.2600.5778 |
30,336 |
18-Mar-2009 |
11:02 |
x86 |
SP3 |
|
Usbport.sys |
5.1.2600.5778 |
144,000 |
18-Mar-2009 |
11:02 |
x86 |
SP3 |
Hotfix information for Windows Vista and for Windows Server 2008
Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page. 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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.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, contact 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 Web site:
http://support.microsoft.com/contactus/?ws=supportNote 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 on a Windows Vista-based computer, you must have Windows Vista Service Pack 1 or a later service pack installed on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service packNo prerequisites are required for Windows Server 2008-based computers.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista and Windows Server 2008 file information notes
-
The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the fileversion numbers as shown in the following table.
Version
Product
Milestone
Service branch
6.0.6001.18xxx
Windows Vista SP1 and Windows Server 2008SP1
SP1
GDR
6.0.6001.22xxx
Windows Vista SP1 and Windows Server 2008SP1
SP1
LDR
6.0.6002.18xxx
Windows Vista SP2 and Windows Server 2008SP2
SP2
GDR
6.0.6002.22xxx
Windows Vista SP2 and Windows Server 2008SP2
SP2
LDR
-
Service Pack 1 is integrated into Windows Server 2008.
-
The MANIFEST files (.manifest) and MUM files (.mum)installed for each environment are listed separately. MUM and MANIFEST files, andthe associated security catalog (.cat) files, are critical to maintaining thestate of the updated component. The security catalog files (attributes notlisted) are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows Server 2008 and of Windows Vista
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Usb.inf |
Not Applicable |
40,740 |
30-Apr-2009 |
07:41 |
Not Applicable |
|
Usbccgp.sys |
6.0.6001.22423 |
73,216 |
30-Apr-2009 |
10:19 |
x86 |
|
Usbhub.sys |
6.0.6001.22423 |
196,608 |
30-Apr-2009 |
10:20 |
x86 |
|
Hccoin.dll |
6.0.6001.22423 |
8,704 |
30-Apr-2009 |
12:17 |
x86 |
|
Hcrstco.dll |
6.0.6001.22423 |
15,872 |
30-Apr-2009 |
12:17 |
x86 |
|
Usbd.sys |
6.0.6001.22423 |
5,888 |
30-Apr-2009 |
10:19 |
Not Applicable |
|
Usbehci.sys |
6.0.6001.22423 |
39,936 |
30-Apr-2009 |
10:19 |
x86 |
|
Usbhub.sys |
6.0.6001.22423 |
196,608 |
30-Apr-2009 |
10:20 |
x86 |
|
Usbohci.sys |
6.0.6001.22423 |
19,968 |
30-Apr-2009 |
10:19 |
x86 |
|
Usbport.inf |
Not Applicable |
59,868 |
30-Apr-2009 |
07:41 |
Not Applicable |
|
Usbport.sys |
6.0.6001.22423 |
226,816 |
30-Apr-2009 |
10:19 |
x86 |
|
Usbuhci.sys |
6.0.6001.22423 |
23,552 |
30-Apr-2009 |
10:19 |
x86 |
|
Hccoin.dll |
6.0.6002.22126 |
8,704 |
30-Apr-2009 |
10:01 |
x86 |
|
Hcrstco.dll |
6.0.6002.22126 |
15,872 |
30-Apr-2009 |
10:01 |
x86 |
|
Usbd.sys |
6.0.6002.22126 |
5,888 |
30-Apr-2009 |
10:01 |
Not Applicable |
|
Usbehci.sys |
6.0.6002.22126 |
39,936 |
30-Apr-2009 |
10:01 |
x86 |
|
Usbhub.sys |
6.0.6002.22126 |
196,608 |
30-Apr-2009 |
10:01 |
x86 |
|
Usbohci.sys |
6.0.6002.22126 |
19,968 |
30-Apr-2009 |
10:01 |
x86 |
|
Usbport.inf |
Not Applicable |
59,868 |
30-Apr-2009 |
07:40 |
Not Applicable |
|
Usbport.sys |
6.0.6002.22126 |
226,816 |
30-Apr-2009 |
10:01 |
x86 |
|
Usbuhci.sys |
6.0.6002.22126 |
23,552 |
30-Apr-2009 |
10:01 |
x86 |
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Usb.inf |
Not Applicable |
41,060 |
30-Apr-2009 |
07:42 |
Not Applicable |
|
Usbccgp.sys |
6.0.6001.22423 |
95,744 |
30-Apr-2009 |
10:37 |
x64 |
|
Usbhub.sys |
6.0.6001.22423 |
274,432 |
30-Apr-2009 |
10:37 |
x64 |
|
Hccoin.dll |
6.0.6001.22423 |
10,752 |
30-Apr-2009 |
12:30 |
x64 |
|
Hcrstco.dll |
6.0.6001.22423 |
17,920 |
30-Apr-2009 |
12:30 |
x64 |
|
Usbd.sys |
6.0.6001.22423 |
7,680 |
30-Apr-2009 |
10:37 |
x64 |
|
Usbehci.sys |
6.0.6001.22423 |
49,664 |
30-Apr-2009 |
10:37 |
x64 |
|
Usbhub.sys |
6.0.6001.22423 |
274,432 |
30-Apr-2009 |
10:37 |
x64 |
|
Usbohci.sys |
6.0.6001.22423 |
24,576 |
30-Apr-2009 |
10:37 |
x64 |
|
Usbport.inf |
Not Applicable |
59,996 |
30-Apr-2009 |
07:42 |
Not Applicable |
|
Usbport.sys |
6.0.6001.22423 |
260,608 |
30-Apr-2009 |
10:37 |
x64 |
|
Usbuhci.sys |
6.0.6001.22423 |
29,184 |
30-Apr-2009 |
10:37 |
x64 |
|
Hccoin.dll |
6.0.6002.22126 |
10,752 |
30-Apr-2009 |
12:20 |
x64 |
|
Hcrstco.dll |
6.0.6002.22126 |
17,920 |
30-Apr-2009 |
12:20 |
x64 |
|
Usbd.sys |
6.0.6002.22126 |
7,680 |
30-Apr-2009 |
10:32 |
x64 |
|
Usbehci.sys |
6.0.6002.22126 |
49,664 |
30-Apr-2009 |
10:32 |
x64 |
|
Usbhub.sys |
6.0.6002.22126 |
274,432 |
30-Apr-2009 |
10:33 |
x64 |
|
Usbohci.sys |
6.0.6002.22126 |
24,576 |
30-Apr-2009 |
10:32 |
x64 |
|
Usbport.inf |
Not Applicable |
59,996 |
30-Apr-2009 |
07:40 |
Not Applicable |
|
Usbport.sys |
6.0.6002.22126 |
260,608 |
30-Apr-2009 |
10:32 |
x64 |
|
Usbuhci.sys |
6.0.6002.22126 |
29,184 |
30-Apr-2009 |
10:32 |
x64 |
For all supported Itanium-based versions of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Usb.inf |
Not Applicable |
40,900 |
30-Apr-2009 |
07:40 |
Not Applicable |
|
Usbccgp.sys |
6.0.6001.22423 |
208,384 |
30-Apr-2009 |
10:32 |
IA-64 |
|
Usbhub.sys |
6.0.6001.22423 |
864,256 |
30-Apr-2009 |
10:32 |
IA-64 |
|
Hccoin.dll |
6.0.6001.22423 |
22,528 |
30-Apr-2009 |
12:13 |
IA-64 |
|
Hcrstco.dll |
6.0.6001.22423 |
24,576 |
30-Apr-2009 |
12:13 |
IA-64 |
|
Usbd.sys |
6.0.6001.22423 |
11,648 |
30-Apr-2009 |
10:32 |
Not Applicable |
|
Usbehci.sys |
6.0.6001.22423 |
123,392 |
30-Apr-2009 |
10:32 |
IA-64 |
|
Usbhub.sys |
6.0.6001.22423 |
864,256 |
30-Apr-2009 |
10:32 |
IA-64 |
|
Usbohci.sys |
6.0.6001.22423 |
59,904 |
30-Apr-2009 |
10:32 |
IA-64 |
|
Usbport.inf |
Not Applicable |
59,932 |
30-Apr-2009 |
07:40 |
Not Applicable |
|
Usbport.sys |
6.0.6001.22423 |
647,680 |
30-Apr-2009 |
10:32 |
IA-64 |
|
Usbuhci.sys |
6.0.6001.22423 |
80,896 |
30-Apr-2009 |
10:32 |
IA-64 |
|
Hccoin.dll |
6.0.6002.22126 |
22,528 |
30-Apr-2009 |
11:54 |
IA-64 |
|
Hcrstco.dll |
6.0.6002.22126 |
24,576 |
30-Apr-2009 |
11:54 |
IA-64 |
|
Usbd.sys |
6.0.6002.22126 |
11,648 |
30-Apr-2009 |
10:11 |
Not Applicable |
|
Usbehci.sys |
6.0.6002.22126 |
123,392 |
30-Apr-2009 |
10:12 |
IA-64 |
|
Usbhub.sys |
6.0.6002.22126 |
865,280 |
30-Apr-2009 |
10:12 |
IA-64 |
|
Usbohci.sys |
6.0.6002.22126 |
59,904 |
30-Apr-2009 |
10:12 |
IA-64 |
|
Usbport.inf |
Not Applicable |
59,932 |
30-Apr-2009 |
07:38 |
Not Applicable |
|
Usbport.sys |
6.0.6002.22126 |
648,192 |
30-Apr-2009 |
10:12 |
IA-64 |
|
Usbuhci.sys |
6.0.6002.22126 |
80,896 |
30-Apr-2009 |
10:12 |
IA-64 |
Workaround
To avoid this problem, connect the USB device directly into the host controller instead of into an external USB 2.0 hub. Or, reduce the bandwidth usage of the USB connection to reduce the possibility of experiencing this problem.
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 for Windows Vista and for Windows Server 2008
Additional files for all supported x86-based versions of Windows Server 2008 and of Windows Vista
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Package_for_kb968764_client_1~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,367 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_client_2~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,694 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_client~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,713 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,421 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc_1~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,690 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,701 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,425 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server_1~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,694 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,713 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_winpesrv_0~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,422 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_winpesrv~31bf3856ad364e35~x86~~6.0.1.0.mum |
Not Applicable |
1,430 |
01-May-2009 |
02:46 |
Not Applicable |
|
X86_usb.inf_31bf3856ad364e35_6.0.6001.22423_none_cb6f6a79279d6e95.manifest |
Not Applicable |
2,644 |
01-May-2009 |
03:56 |
Not Applicable |
|
X86_usbport.inf_31bf3856ad364e35_6.0.6001.22423_none_be3962f61cb8bc7c.manifest |
Not Applicable |
6,734 |
01-May-2009 |
03:56 |
Not Applicable |
|
X86_usbport.inf_31bf3856ad364e35_6.0.6002.22126_none_c022d5bc19dc5da5.manifest |
Not Applicable |
6,734 |
01-May-2009 |
03:56 |
Not Applicable |
Additional files for all supported x64-based versions of Windows Server 2008 and of Windows Vista
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Amd64_usb.inf_31bf3856ad364e35_6.0.6001.22423_none_278e05fcdffadfcb.manifest |
Not Applicable |
2,646 |
01-May-2009 |
05:22 |
Not Applicable |
|
Amd64_usbport.inf_31bf3856ad364e35_6.0.6001.22423_none_1a57fe79d5162db2.manifest |
Not Applicable |
6,736 |
01-May-2009 |
05:22 |
Not Applicable |
|
Amd64_usbport.inf_31bf3856ad364e35_6.0.6002.22126_none_1c41713fd239cedb.manifest |
Not Applicable |
6,736 |
01-May-2009 |
05:22 |
Not Applicable |
|
Package_for_kb968764_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,375 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_client_2~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,706 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_client~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,723 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,429 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc_1~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,702 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,711 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,433 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server_1~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,706 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,723 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_winpesrv_0~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,430 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_winpesrv~31bf3856ad364e35~amd64~~6.0.1.0.mum |
Not Applicable |
1,438 |
01-May-2009 |
02:46 |
Not Applicable |
Additional files for all supported Itanium-based versions of Windows Server 2008
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Ia64_usb.inf_31bf3856ad364e35_6.0.6001.22423_none_cb710e6f279b7791.manifest |
Not Applicable |
2,645 |
01-May-2009 |
02:46 |
Not Applicable |
|
Ia64_usbport.inf_31bf3856ad364e35_6.0.6001.22423_none_be3b06ec1cb6c578.manifest |
Not Applicable |
6,735 |
01-May-2009 |
02:46 |
Not Applicable |
|
Ia64_usbport.inf_31bf3856ad364e35_6.0.6002.22126_none_c02479b219da66a1.manifest |
Not Applicable |
6,735 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,425 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc_1~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,530 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,706 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,429 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server_1~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,533 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_server~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,718 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,426 |
01-May-2009 |
02:46 |
Not Applicable |
|
Package_for_kb968764_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mum |
Not Applicable |
1,434 |
01-May-2009 |
02:46 |
Not Applicable |
