Cookies are not passed as part of a session when you make an HTTP connection in Windows 7 or Windows Server 2008 R2

Symptoms

When you make an HTTP connection on a Windows 7-based or Windows Server 2008 R2-based computer, cookies that are usually passed as part of the session are not included if the destination uniform resource identifier (URI) contains a period (.).

Cause

This problem occurs because of a bug in the Windows operating system that causes the cookie not to be sent to the server through the WebIO component.

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 have Service Pack 1 (SP1) for Windows 7 or Windows Server 2008 R2 installed.

Restart requirement

You do not have to 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 7 and Windows Server 2008 R2 file information and notesImportant Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" 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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    SR_Level

    Service branch

    6.1.760
    1.
    23xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important 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 separately in the "Additional file information for Windows 7 and Windows Server 2008 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 7

File name

File version

File size

Date

Time

Platform

Webio.dll

6.1.7601.23019

315,904

07-Apr-2015

03:23

x86

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Webio.dll

6.1.7601.23019

396,288

07-Apr-2015

03:37

x64

Webio.dll

6.1.7601.23019

315,904

07-Apr-2015

03:23

x86

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Webio.dll

6.1.7601.23019

695,808

07-Apr-2015

02:36

IA-64

Webio.dll

6.1.7601.23019

315,904

07-Apr-2015

03:23

x86

Additional file information for Windows 7 and Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

Package_1_for_kb3051475~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,816

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_2_for_kb3051475~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,799

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_3_for_kb3051475~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,801

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_for_kb3051475_rtm~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,459

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_for_kb3051475_sp1~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,918

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

X86_6e5bb98b9b3a460c8bf67502cc4c5827_31bf3856ad364e35_6.1.7601.23019_none_7ee629f8eb9becbd.manifest

File version

Not applicable

File size

693

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

X86_microsoft-windows-webio_31bf3856ad364e35_6.1.7601.23019_none_5f800952560eb65c.manifest

File version

Not applicable

File size

2,484

Date (UTC)

07-Apr-2015

Time (UTC)

03:48

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

Amd64_383f9481015453b8ca76aa95a4eca10f_31bf3856ad364e35_6.1.7601.23019_none_f6e0cb0c4fa0d475.manifest

File version

Not applicable

File size

1,036

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Amd64_5826ff98bf8674d99cbfeb2034f7d270_31bf3856ad364e35_6.1.7601.23019_none_00a9710635c76383.manifest

File version

Not applicable

File size

697

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Amd64_a0e4137c86f396f7f2fcf5e2d6caab69_31bf3856ad364e35_6.1.7601.23019_none_b050cae1960fd6db.manifest

File version

Not applicable

File size

697

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Amd64_microsoft-windows-webio_31bf3856ad364e35_6.1.7601.23019_none_bb9ea4d60e6c2792.manifest

File version

Not applicable

File size

2,488

Date (UTC)

07-Apr-2015

Time (UTC)

04:06

Platform

Not applicable

File name

Package_1_for_kb3051475~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

1,826

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_2_for_kb3051475~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

2,231

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_3_for_kb3051475~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

2,009

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_4_for_kb3051475~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

2,024

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_for_kb3051475_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

1,467

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_for_kb3051475_sp1~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

2,830

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Wow64_microsoft-windows-webio_31bf3856ad364e35_6.1.7601.23019_none_c5f34f2842cce98d.manifest

File version

Not applicable

File size

2,486

Date (UTC)

07-Apr-2015

Time (UTC)

03:40

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_94038a7f497c543ceeeaf853cd1789a3_31bf3856ad364e35_6.1.7601.23019_none_5f67fa097ef61ae7.manifest

File version

Not applicable

File size

1,034

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Ia64_microsoft-windows-webio_31bf3856ad364e35_6.1.7601.23019_none_5f81ad48560cbf58.manifest

File version

Not applicable

File size

2,486

Date (UTC)

07-Apr-2015

Time (UTC)

03:34

Platform

Not applicable

File name

Package_1_for_kb3051475~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not applicable

File size

2,017

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Package_for_kb3051475_sp1~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not applicable

File size

1,446

Date (UTC)

07-Apr-2015

Time (UTC)

23:33

Platform

Not applicable

File name

Wow64_microsoft-windows-webio_31bf3856ad364e35_6.1.7601.23019_none_c5f34f2842cce98d.manifest

File version

Not applicable

File size

2,486

Date (UTC)

07-Apr-2015

Time (UTC)

03:40

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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