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For a Windows 8, Windows RT, or Windows Server 2012 version of this article, see Microsoft Knowledge Base article 2870248.

Symptoms

Consider the following scenario:

  • You have a computer that is running Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.

  • From this computer, you configure an HTTP proxy on a server by running a proxy automatic configuration (.pac) file.


In this scenario, all remote procedure calls (RPCs) from the computer ignore the HTTP proxy. Instead, the RPCs connect directly to the server.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. 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, go to the following Microsoft website:

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 be running one of the following operating systems:

  • Windows 8.1

  • Windows RT 8.1

  • Windows Server 2012 R2

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

The English (United States) 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 8.1 and Windows Server 2012 R2 file information and notes

Important Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" 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 8.1" 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.

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.16xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

  • 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 8.1 and Windows Server 2012 R2" 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 8.1

File name

File version

File size

Date

Time

Platform

Rpchttp.dll

6.3.9600.16523

144,384

31-Jan-2014

11:11

x86

For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Rpchttp.dll

6.3.9600.16523

191,488

31-Jan-2014

11:59

x64

Rpchttp.dll

6.3.9600.16523

144,384

31-Jan-2014

11:11

x86

For all supported ARM-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Rpchttp.dll

6.3.9600.16523

141,312

31-Jan-2014

09:56

Not Applicable

Additional file information

Additional file information for Windows 8.1 and Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File name

X86_c64f9ad0d2627db0935960d7271efa63_31bf3856ad364e35_6.3.9600.16523_none_baf7dafcca90ec88.manifest

File version

Not Applicable

File size

696

Date (UTC)

31-Jan-2014

Time (UTC)

23:15

Platform

Not Applicable

File name

X86_microsoft-windows-rpc-http_31bf3856ad364e35_6.3.9600.16523_none_34d894815abdb83d.manifest

File version

Not Applicable

File size

9,019

Date (UTC)

31-Jan-2014

Time (UTC)

14:09

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

Amd64_c64f9ad0d2627db0935960d7271efa63_31bf3856ad364e35_6.3.9600.16523_none_1716768082ee5dbe.manifest

File version

Not Applicable

File size

698

Date (UTC)

31-Jan-2014

Time (UTC)

22:41

Platform

Not Applicable

File name

Amd64_d956c0b10522425fc214aeea075c6ae0_31bf3856ad364e35_6.3.9600.16523_none_f67124e632334087.manifest

File version

Not Applicable

File size

700

Date (UTC)

31-Jan-2014

Time (UTC)

22:41

Platform

Not Applicable

File name

Amd64_microsoft-windows-rpc-http_31bf3856ad364e35_6.3.9600.16523_none_90f73005131b2973.manifest

File version

Not Applicable

File size

9,023

Date (UTC)

31-Jan-2014

Time (UTC)

16:17

Platform

Not Applicable

File name

X86_microsoft-windows-rpc-http_31bf3856ad364e35_6.3.9600.16523_none_34d894815abdb83d.manifest

File version

Not Applicable

File size

9,019

Date (UTC)

31-Jan-2014

Time (UTC)

14:09

Platform

Not Applicable

Additional files for all supported ARM-based versions of Windows 8.1

File name

Arm_b3f627fc094a518db4eb182e168c3986_31bf3856ad364e35_6.3.9600.16523_none_a9e9f638669f9f3a.manifest

File version

Not Applicable

File size

696

Date (UTC)

31-Jan-2014

Time (UTC)

23:40

Platform

Not Applicable

File name

Arm_microsoft-windows-rpc-http_31bf3856ad364e35_6.3.9600.16523_none_34db06d95abad703.manifest

File version

Not Applicable

File size

9,019

Date (UTC)

31-Jan-2014

Time (UTC)

11:28

Platform

Not Applicable


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.

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