Only part of the network bandwidth is used when you transfer multiple large files at the same time through a high-bandwidth network connection on a Windows Vista-based computer or on a Windows Server 2008-based computer

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Article ID: 967729 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario. On a Windows Vista-based computer or on a Windows Server 2008-based computer, you transfer multiple large files at the same time through a high-bandwidth network connection. You transfer the large files at 1 gigabit per second (Gbps). In this scenario, you expect the network bandwidth to be almost fully used. However, in Task Manager, you notice that only part of the network bandwidth is used.

RESOLUTION

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 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=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.

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.

Prerequisites

To apply this hotfix on a Windows Vista-based computer, you must have Windows Vista Service Pack 1 (SP1) installed. 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 pack
No 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 .manifest files and the .mum files that are installed in each environment are listed separately in the "Additional file information for Windows Server 2008 and for Windows Vista" section. These files and their associated .cat (security catalog) files are critical to maintaining the state of the updated component. The .cat files are signed with a Microsoft digital signature. The attributes of these security files are not listed.
For all supported x86-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Qmgr.dll7.0.6001.22374758,78411-Feb-200905:30x86
Qmgr.mofNot Applicable2,30218-Dec-200721:12Not Applicable
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Qmgr.dll7.0.6001.223741,082,88011-Feb-200905:59x64
Qmgr.mofNot Applicable2,30218-Dec-200721:13Not Applicable
Qmgr.mofNot Applicable2,30218-Dec-200721:12Not Applicable
For all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Qmgr.dll7.0.6001.223742,247,68011-Feb-200904:46IA-64
Qmgr.mofNot Applicable2,30218-Dec-200721:14Not Applicable
Qmgr.mofNot Applicable2,30218-Dec-200721:12Not Applicable

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 Server 2008 and for Windows Vista

Additional files for all supported x86-based versions of Windows Server 2008 and of Windows Vista

Collapse this tableExpand this table
File namePackage_for_kb967729_client_1~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,367
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_client~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,431
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,421
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_sc~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,423
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,425
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_server~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,431
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_winpesrv_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,422
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_winpesrv~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameX86_41e71a3ed96b6d1f8f56ee8135af65e6_31bf3856ad364e35_6.0.6001.22374_none_a054ffde5e78d046.manifest
File versionNot Applicable
File size699
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameX86_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22374_none_23d2b73812c4ce97.manifest
File versionNot Applicable
File size116,541
Date (UTC)11-Feb-2009
Time (UTC)05:57
PlatformNot Applicable

Additional files for all supported x64-based versions of Windows Server 2008 and of Windows Vista

Collapse this tableExpand this table
File nameAmd64_38c39c2bd414b1c8d3b9c63d39c464e0_31bf3856ad364e35_6.0.6001.22374_none_f21dbe45c60bced2.manifest
File versionNot Applicable
File size1,048
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameAmd64_b5d2d9de846700b7130be1b0a38bebe1_31bf3856ad364e35_6.0.6001.22374_none_6fc11fef6b2a4744.manifest
File versionNot Applicable
File size703
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameAmd64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22374_none_7ff152bbcb223fcd.manifest
File versionNot Applicable
File size116,597
Date (UTC)11-Feb-2009
Time (UTC)06:25
PlatformNot Applicable
File namePackage_for_kb967729_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,375
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_client~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,439
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_sc~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,431
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,433
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_server~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,439
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_winpesrv_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,430
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_winpesrv~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,437
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameWow64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22374_none_8a45fd0dff8301c8.manifest
File versionNot Applicable
File size106,147
Date (UTC)11-Feb-2009
Time (UTC)05:39
PlatformNot Applicable

Additional files for all supported IA-64-based versions of Windows Server 2008

Collapse this tableExpand this table
File nameIa64_da619cab9258a68bcf9dd6fcadf218bb_31bf3856ad364e35_6.0.6001.22374_none_ebb4a7df8f758c89.manifest
File versionNot Applicable
File size701
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameIa64_dd013b80bbc7526909f2d1815ce017c1_31bf3856ad364e35_6.0.6001.22374_none_60d434b2d109c4f8.manifest
File versionNot Applicable
File size1,046
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameIa64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22374_none_23d45b2e12c2d793.manifest
File versionNot Applicable
File size116,569
Date (UTC)11-Feb-2009
Time (UTC)05:09
PlatformNot Applicable
File namePackage_for_kb967729_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,425
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,426
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_server~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,434
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,426
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File namePackage_for_kb967729_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,433
Date (UTC)11-Feb-2009
Time (UTC)14:10
PlatformNot Applicable
File nameWow64_microsoft-windows-bits-client_31bf3856ad364e35_6.0.6001.22374_none_8a45fd0dff8301c8.manifest
File versionNot Applicable
File size106,147
Date (UTC)11-Feb-2009
Time (UTC)05:39
PlatformNot Applicable

Properties

Article ID: 967729 - Last Review: October 7, 2011 - Revision: 2.0
APPLIES TO
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
Keywords: 
kbautohotfix kbexpertiseinter kbfix kbbug kbsurveynew kbqfe KB967729

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