Update is available that improves the network performance of Internet Explorer 11 in Windows

Introduction

This article describes an update that improves the network performance of Windows Internet Explorer 11 in Windows RT 8.1, Windows 8.1, Windows Server 2012 R2, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1. 

Resolution

To resolve this issue, install update 2919355 in Windows 8.1 and Windows Server 2012 R2, or install update 2888049 in Windows 7 SP1 and Windows Server 2008 R2 SP1.

More Information

After you install this update, Windows sends ACK messages without a delay when it uses Transmission Control Protocol (TCP) protocol connections.

Note The TCP protocol is a common protocol that a computer uses in network connections.

Update information for Windows 8.1 and Windows Server 2012 R2

For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014


Update information for Windows 7 SP1 and Windows Server 2008 R2 SP1

How to obtain this update

Windows Update
This update is available from Windows Update.
Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
Operating systemUpdate
All supported x86-based versions of Windows 7Download Download the package now.
All supported x64-based versions of Windows 7Download Download the package now.
All supported x64-based versions of Windows Server 2008 R2Download Download the package now.
All supported IA-64-based versions of Windows Server 2008 R2Download Download the package now.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

To apply this hotfix, you must be running Windows 7 SP1 or Windows Server 2008 R2 SP1. For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.
File information

Additional file information

Additional files for all supported x86-based versions of Windows 7
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Date (UTC)14-Sep-2013
Time (UTC)06:03
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Date (UTC)14-Sep-2013
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Time (UTC)06:03
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Date (UTC)14-Sep-2013
Time (UTC)06:03
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Date (UTC)14-Sep-2013
Time (UTC)06:03
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File size719
Date (UTC)14-Sep-2013
Time (UTC)06:03
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File versionNot applicable
File size2,540
Date (UTC)22-Aug-2012
Time (UTC)17:35
PlatformNot applicable
File nameX86_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.1.7601.22457_none_59041a262ccb1b50.manifest
File versionNot applicable
File size2,540
Date (UTC)14-Sep-2013
Time (UTC)02:16
PlatformNot applicable
File nameX86_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7601.18254_none_b4fa2013c4c8ebf1.manifest
File versionNot applicable
File size3,780
Date (UTC)08-Sep-2013
Time (UTC)08:05
PlatformNot applicable
File nameX86_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7601.22444_none_b58e8eb0ddde6cf1.manifest
File versionNot applicable
File size3,834
Date (UTC)07-Sep-2013
Time (UTC)02:32
PlatformNot applicable
File nameX86_microsoft-windows-w..-infrastructure-bsp_31bf3856ad364e35_6.1.7601.18254_none_ba2f64c78bae6989.manifest
File versionNot applicable
File size3,128
Date (UTC)08-Sep-2013
Time (UTC)02:33
PlatformNot applicable
File nameX86_microsoft-windows-w..-infrastructure-bsp_31bf3856ad364e35_6.1.7601.22444_none_bac3d364a4c3ea89.manifest
File versionNot applicable
File size3,128
Date (UTC)07-Sep-2013
Time (UTC)02:34
PlatformNot applicable
File nameX86_microsoft-windows-winsock-core_31bf3856ad364e35_6.1.7601.18264_none_d9b98067bcd7e63c.manifest
File versionNot applicable
File size73,506
Date (UTC)14-Sep-2013
Time (UTC)02:09
PlatformNot applicable
File nameX86_microsoft-windows-winsock-core_31bf3856ad364e35_6.1.7601.22457_none_da50efe2d5eab341.manifest
File versionNot applicable
File size73,506
Date (UTC)14-Sep-2013
Time (UTC)02:18
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File propertyValue
File nameNetio.sys
File version6.1.7601.17939
File size376,688
Date (UTC)22-Aug-2012
Time (UTC)18:12
Platformx64
SP requirementNone
Service levelNot applicable
File nameNetio.sys
File version6.1.7601.22457
File size376,768
Date (UTC)14-Sep-2013
Time (UTC)02:20
Platformx64
SP requirementNone
Service levelNot applicable
File nameFwpkclnt.sys
File version6.1.7601.18042
File size288,088
Date (UTC)03-Jan-2013
Time (UTC)06:00
Platformx64
SP requirementNone
Service levelNot applicable
File nameTcpip.sys
File version6.1.7601.18254
File size1,903,552
Date (UTC)08-Sep-2013
Time (UTC)02:30
Platformx64
SP requirementNone
Service levelNot applicable
File nameFwpkclnt.sys
File version6.1.7601.22444
File size288,192
Date (UTC)07-Sep-2013
Time (UTC)02:27
Platformx64
SP requirementNone
Service levelNot applicable
File nameTcpip.sys
File version6.1.7601.22444
File size1,896,896
Date (UTC)07-Sep-2013
Time (UTC)02:27
Platformx64
SP requirementNone
Service levelNot applicable
File nameMswsock.dll
File version6.1.7601.18254
File size327,168
Date (UTC)08-Sep-2013
Time (UTC)02:27
Platformx64
SP requirementSP_
Service levelAMD64_MICROSOFT-WINDOWS-W..-INFRASTRUCTURE-BSP
File nameMswsock.dll
File version6.1.7601.22444
File size327,168
Date (UTC)07-Sep-2013
Time (UTC)02:24
Platformx64
SP requirementSP_
Service levelAMD64_MICROSOFT-WINDOWS-W..-INFRASTRUCTURE-BSP
File nameAfd.sys
File version6.1.7601.18264
File size497,152
Date (UTC)14-Sep-2013
Time (UTC)01:10
Platformx64
SP requirementNone
Service levelNot applicable
File nameAfd.sys
File version6.1.7601.22457
File size496,128
Date (UTC)14-Sep-2013
Time (UTC)01:11
Platformx64
SP requirementNone
Service levelNot applicable
File nameMswsock.dll
File version6.1.7601.18254
File size231,424
Date (UTC)08-Sep-2013
Time (UTC)02:03
Platformx86
SP requirementSP_
Service levelX86_MICROSOFT-WINDOWS-W..-INFRASTRUCTURE-BSP
File nameMswsock.dll
File version6.1.7601.22444
File size231,424
Date (UTC)07-Sep-2013
Time (UTC)02:04
Platformx86
SP requirementSP_
Service levelX86_MICROSOFT-WINDOWS-W..-INFRASTRUCTURE-BSP
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File propertyValue
File nameIa64_41aabbb73da922dc02483c6896f745e1_31bf3856ad364e35_6.1.7601.17939_none_6dcec72a3fbba2cc.manifest
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File size1,411
Date (UTC)14-Sep-2013
Time (UTC)06:03
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File nameIa64_452fab5072fd4d76ad69ca2873fad564_31bf3856ad364e35_6.1.7601.22457_none_c22dbcbe275c7f63.manifest
File versionNot applicable
File size702
Date (UTC)14-Sep-2013
Time (UTC)06:03
PlatformNot applicable
File nameIa64_9d3a8c74bd4342c6bdc14bdc252a3478_31bf3856ad364e35_6.1.7601.18264_none_1bfee5c177a3c767.manifest
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File size702
Date (UTC)14-Sep-2013
Time (UTC)06:03
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File nameIa64_b4effb78765b626418784b1f970ca9ad_31bf3856ad364e35_6.1.7601.22457_none_12de66d95d9e3de5.manifest
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File size1,411
Date (UTC)14-Sep-2013
Time (UTC)06:03
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File nameIa64_b9a9b665088073fe5afa694517f82130_31bf3856ad364e35_6.1.7601.18254_none_cc8714587074b7ea.manifest
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File size1,084
Date (UTC)14-Sep-2013
Time (UTC)06:03
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File nameIa64_c6fe22759b8cadecf1d41604c4f94428_31bf3856ad364e35_6.1.7601.22444_none_0de51ed7bc0b6cf3.manifest
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File size1,084
Date (UTC)14-Sep-2013
Time (UTC)06:03
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File nameIa64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.1.7601.17939_none_5893e3e913995497.manifest
File versionNot applicable
File size2,541
Date (UTC)22-Aug-2012
Time (UTC)18:25
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File nameIa64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.1.7601.22457_none_5905be1c2cc9244c.manifest
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File size2,541
Date (UTC)14-Sep-2013
Time (UTC)02:07
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File nameIa64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7601.18254_none_b4fbc409c4c6f4ed.manifest
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File size3,782
Date (UTC)08-Sep-2013
Time (UTC)08:03
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Date (UTC)07-Sep-2013
Time (UTC)02:20
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File nameIa64_microsoft-windows-w..-infrastructure-bsp_31bf3856ad364e35_6.1.7601.18254_none_ba3108bd8bac7285.manifest
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File size3,130
Date (UTC)08-Sep-2013
Time (UTC)02:16
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File nameIa64_microsoft-windows-w..-infrastructure-bsp_31bf3856ad364e35_6.1.7601.22444_none_bac5775aa4c1f385.manifest
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File size3,130
Date (UTC)07-Sep-2013
Time (UTC)02:18
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File nameIa64_microsoft-windows-winsock-core_31bf3856ad364e35_6.1.7601.18264_none_d9bb245dbcd5ef38.manifest
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File size73,508
Date (UTC)14-Sep-2013
Time (UTC)01:56
PlatformNot applicable
File nameIa64_microsoft-windows-winsock-core_31bf3856ad364e35_6.1.7601.22457_none_da5293d8d5e8bc3d.manifest
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Date (UTC)14-Sep-2013
Time (UTC)02:09
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File nameWow64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.1.7601.17939_none_bf0585c900597ecc.manifest
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Date (UTC)22-Aug-2012
Time (UTC)17:23
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File nameWow64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.1.7601.22457_none_bf775ffc19894e81.manifest
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File size1,166
Date (UTC)14-Sep-2013
Time (UTC)02:03
PlatformNot applicable
File nameX86_microsoft-windows-w..-infrastructure-bsp_31bf3856ad364e35_6.1.7601.18254_none_ba2f64c78bae6989.manifest
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File size3,128
Date (UTC)08-Sep-2013
Time (UTC)02:33
PlatformNot applicable
File nameX86_microsoft-windows-w..-infrastructure-bsp_31bf3856ad364e35_6.1.7601.22444_none_bac3d364a4c3ea89.manifest
File versionNot applicable
File size3,128
Date (UTC)07-Sep-2013
Time (UTC)02:34
PlatformNot applicable

References

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

属性

文章 ID:2888049 - 上次审阅时间:2014年4月8日 - 修订版本: 1

Windows 8.1 Enterprise, Windows 8.1, Windows 8.1 Pro, Windows RT 8.1, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Foundation, Windows Server 2012 R2 Standard, Windows 7 Service Pack 1, Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Datacenter, Windows Server 2008 R2 Enterprise, Windows Server 2008 R2 for Itanium-Based Systems, Windows Server 2008 R2 Foundation, Windows Server 2008 R2 Standard, Windows Web Server 2008 R2

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