Symptoms

Consider the following scenario. You enable the "Filtering Platform Connection" audit policy on a computer that is running Windows Server 2008 R2. Then, you stop the Windows Firewall service on the computer. In this scenario, the following event is logged in the Security log incorrectly: 

Cause

This issue occurs because the Windows Filtering Platform (WFP) incorrectly sets the value of the ActionType property to FWP_ACTION_BLOCK when there are no filters. Therefore, events are logged in the Security log incorrectly.

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 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 Windows Server 2008 R2 or Windows Server 2008 R2 Service Pack 1 (SP1).For more information about how to obtain a 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 change 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

The global 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 Server 2008 R2 file information notes

Important 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, 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
    0.21xxx

    Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.21xxx

    Windows Server 2008 R2

    SP1

    LDR

  • The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. 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 x64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Fwpkclnt.sys

6.1.7600.21113

288,112

23-Dec-2011

14:09

x64

Tcpip.sys

6.1.7600.21113

1,878,896

23-Dec-2011

14:09

x64

Fwpkclnt.sys

6.1.7601.21883

288,624

23-Dec-2011

14:04

x64

Tcpip.sys

6.1.7601.21883

1,901,424

23-Dec-2011

14:04

x64

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

File name

File version

File size

Date

Time

Platform

Fwpkclnt.sys

6.1.7600.21113

482,672

23-Dec-2011

12:53

IA-64

Tcpip.sys

6.1.7600.21113

3,804,528

23-Dec-2011

12:53

IA-64

Fwpkclnt.sys

6.1.7601.21883

483,184

23-Dec-2011

12:38

IA-64

Tcpip.sys

6.1.7601.21883

3,807,088

23-Dec-2011

12:39

IA-64

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 how to perform an audit by using Windows Filtering Platform, visit the following Microsoft website:

General information about how to perform an audit by using Windows Filtering PlatformFor more information about the Auditpol command, visit the following Microsoft website:

General information about the Auditpol commandFor more information about Windows Filtering Platform, visit the following Microsoft website:

General information about Windows Filtering PlatformFor 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

Additional file information for Windows Server 2008 R2

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

File name

Amd64_14d387f795d48c445c0b604fc14f9c97_31bf3856ad364e35_6.1.7601.21883_none_ad4417a6e086cbf5.manifest

File version

Not applicable

File size

706

Date (UTC)

23-Dec-2011

Time (UTC)

16:48

Platform

Not applicable

File name

Amd64_d77dee246140776d1df61da99b1702d8_31bf3856ad364e35_6.1.7600.21113_none_d19c979fc071a78b.manifest

File version

Not applicable

File size

706

Date (UTC)

23-Dec-2011

Time (UTC)

16:48

Platform

Not applicable

File name

Amd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7600.21113_none_0fe6332a98fe134e.manifest

File version

Not applicable

File size

3,838

Date (UTC)

23-Dec-2011

Time (UTC)

14:38

Platform

Not applicable

File name

Amd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7601.21883_none_1181089a965d0f8f.manifest

File version

Not applicable

File size

3,838

Date (UTC)

23-Dec-2011

Time (UTC)

14:33

Platform

Not applicable

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

File name

Ia64_96f6fe63346ef9e22e39997f5be10c0e_31bf3856ad364e35_6.1.7600.21113_none_7973a96d3f9252cd.manifest

File version

Not applicable

File size

704

Date (UTC)

23-Dec-2011

Time (UTC)

16:48

Platform

Not applicable

File name

Ia64_ef4aa3494cc52e5cc25f7cb9e5932237_31bf3856ad364e35_6.1.7601.21883_none_cffb38c159daac60.manifest

File version

Not applicable

File size

704

Date (UTC)

23-Dec-2011

Time (UTC)

16:48

Platform

Not applicable

File name

Ia64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7600.21113_none_b3c93b9ce09eab14.manifest

File version

Not applicable

File size

3,836

Date (UTC)

23-Dec-2011

Time (UTC)

14:11

Platform

Not applicable

File name

Ia64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7601.21883_none_b564110cddfda755.manifest

File version

Not applicable

File size

3,836

Date (UTC)

23-Dec-2011

Time (UTC)

13:59

Platform

Not applicable

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