Access to Internet is denied because proxy settings are overwritten in Windows 7 SP1 or Windows Server 2008 R2 SP1

Symptoms
Users can't access Internet when multiple users log on to a Remote Desktop Services (RDS) server and run Internet Explorer at the same time when proxy settings are managed by Group Policy.
Cause
This issue occurs because proxy settings are not initialized correctly for the new logged user, and the AutoConf value isn't present as expected when there're multiple concurrent Internet Explorer users, and the RDS server is under high CPU workload.
How to get this update
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

To completely fix this issue for Internet Explorer 11 in Windows 7, you must also install security update 3139929.

Method 1: Windows Update

This update is provided as a Recommended update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:
Operating systemUpdate
All supported x86-based versions of Windows 7DownloadDownload the package now.
All supported x64-based versions of Windows 7DownloadDownload the package now.
All supported x64-based versions of Windows Server 2008 R2DownloadDownload the package now.
All supported IA-64-based versions of Windows Server 2008 R2DownloadDownload 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.

Update detail information

Prerequisites

To apply this update, you must install Service Pack 1 for Windows 7 or Windows Server 2008 R2.

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.
File Information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows 7 and Windows Server 2008 R2

Notes
  • 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:
    Version Product Milestone Service branch
    6.1.760 1.19 xxxWindows 7 or Windows Server 2008 R2 SP1GDR
    6.1.760 1.23 xxxWindows 7 or Windows Server 2008 R2 SP1 LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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.
ia64 Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatformService branch
Rpcss.dll6.1.7601.191431,084,92802-Feb-201618:09IA-64IA64_MICROSOFT-WINDOWS-COM-BASE-QFE
Rpcss.dll6.1.7601.233421,085,95230-Jan-201618:06IA-64IA64_MICROSOFT-WINDOWS-COM-BASE-QFE
x86 Windows 7
File nameFile versionFile sizeDateTimePlatformService branch
Rpcss.dll6.1.7601.19143376,32002-Feb-201618:48x86X86_MICROSOFT-WINDOWS-COM-BASE-QFE
Rpcss.dll6.1.7601.23342376,83230-Jan-201618:47x86X86_MICROSOFT-WINDOWS-COM-BASE-QFE
x64 Windows 7 and Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatformService branch
Rpcss.dll6.1.7601.19143511,48802-Feb-201618:57x64AMD64_MICROSOFT-WINDOWS-COM-BASE-QFE
Rpcss.dll6.1.7601.23342512,00030-Jan-201619:08x64AMD64_MICROSOFT-WINDOWS-COM-BASE-QFE

Additional file information

ia64 Windows Server 2008 R2
File propertyValue
File nameIa64_5df53094f2d52ff449a3e6714a573334_31bf3856ad364e35_6.1.7601.23342_none_8726a24310e8b4fb.manifest
File versionNot applicable
File size708
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
File nameIa64_b0e355b6d23d8e50fc48513480b53a43_31bf3856ad364e35_6.1.7601.19143_none_2c99dd23ab24039b.manifest
File versionNot applicable
File size708
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
File nameIa64_microsoft-windows-com-base-qfe-rpcss_31bf3856ad364e35_6.1.7601.19143_none_6bb244a79c399965.manifest
File versionNot applicable
File size2,004
Date (UTC)02-Feb-2016
Time (UTC)19:11
PlatformNot applicable
File nameIa64_microsoft-windows-com-base-qfe-rpcss_31bf3856ad364e35_6.1.7601.23342_none_6c3ae30eb5581cff.manifest
File versionNot applicable
File size2,004
Date (UTC)30-Jan-2016
Time (UTC)19:09
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,447
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
x86 Windows 7
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size2,138
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
File nameX86_c8ac0517fb6826258b9e0048b8b43917_31bf3856ad364e35_6.1.7601.23342_none_55b842482b36c411.manifest
File versionNot applicable
File size706
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
File nameX86_e381b0f6dc0553043a573b6fd05c7a07_31bf3856ad364e35_6.1.7601.19143_none_bb2c92490b13cb4b.manifest
File versionNot applicable
File size706
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
File nameX86_microsoft-windows-com-base-qfe-rpcss_31bf3856ad364e35_6.1.7601.19143_none_6bb0a0b19c3b9069.manifest
File versionNot applicable
File size2,003
Date (UTC)02-Feb-2016
Time (UTC)19:24
PlatformNot applicable
File nameX86_microsoft-windows-com-base-qfe-rpcss_31bf3856ad364e35_6.1.7601.23342_none_6c393f18b55a1403.manifest
File versionNot applicable
File size2,003
Date (UTC)30-Jan-2016
Time (UTC)19:17
PlatformNot applicable
x64 Windows 7 and Windows Server 2008 R2
File propertyValue
File nameAmd64_41b4c13a17d1298efa07856d0fa4e81a_31bf3856ad364e35_6.1.7601.23342_none_498119dad39ec409.manifest
File versionNot applicable
File size710
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
File nameAmd64_4a906bfa8db5089d2b1d7adde3e27bd9_31bf3856ad364e35_6.1.7601.19143_none_f1685f0bd2555109.manifest
File versionNot applicable
File size710
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
File nameAmd64_microsoft-windows-com-base-qfe-rpcss_31bf3856ad364e35_6.1.7601.19143_none_c7cf3c355499019f.manifest
File versionNot applicable
File size2,005
Date (UTC)02-Feb-2016
Time (UTC)19:28
PlatformNot applicable
File nameAmd64_microsoft-windows-com-base-qfe-rpcss_31bf3856ad364e35_6.1.7601.23342_none_c857da9c6db78539.manifest
File versionNot applicable
File size2,005
Date (UTC)30-Jan-2016
Time (UTC)19:51
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,352
Date (UTC)02-Feb-2016
Time (UTC)23:45
PlatformNot applicable
Properties

Article ID: 3138901 - Last Review: 04/12/2016 20:29:00 - Revision: 2.0

Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1

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