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Article ID: 2547057 - Last Review: December 27, 2012 - Revision: 4.1

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Symptoms

Consider the following scenario:
  • You install the Routing and Remote Access role service on a multi-homed computer that is running Windows Server 2008 R2.
  • You configure the computer as a local area network (LAN) router between two network segments.
  • The Virtual LAN (VLAN) option is enabled in at least one network segment.
  • You send IP packets from one network segment to the other network segment through the LAN router.
In this scenario, the IP packets are not routed to their destination hosts in the other network segment.

Cause

This issue occurs because the TCP/IP driver handles the VLAN identifier in the IP packets incorrectly when the TCP/IP driver forwards these packets from one network segment to the other network segment in a VLAN environment.

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 this specific problem.

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, submit a request to 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 Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note 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 Server 2008 R2
  • Windows Server 2008 R2 Service Pack 1 (SP1)
Additionally, the Routing and Remote Access role service must be installed.

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  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To use the hotfix in this package, 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

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, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.1.760 0 . 16xxxWindows Server 2008 R2RTMGDR
    6.1.760 0 . 20xxxWindows Server 2008 R2RTMLDR
    6.1.760 1 . 17xxxWindows Server 2008 R2SP1GDR
    6.1.760 1 . 21xxxWindows Server 2008 R2SP1LDR
  • 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 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 x64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Fwpkclnt.sys6.1.7600.16385288,33614-Jul-200901:47x64
Tcpip.sys6.1.7600.168101,896,83206-May-201105:17x64
Fwpkclnt.sys6.1.7600.20961288,12806-May-201105:28x64
Tcpip.sys6.1.7600.209611,893,24806-May-201105:29x64
Fwpkclnt.sys6.1.7601.17514288,64020-Nov-201013:33x64
Tcpip.sys6.1.7601.176211,923,96806-May-201105:32x64
Fwpkclnt.sys6.1.7601.21722288,64006-May-201105:23x64
Tcpip.sys6.1.7601.217221,927,55206-May-201105:23x64

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 software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/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
Collapse this tableExpand this table
File nameAmd64_47576807058a36142b3aeebd64e34224_31bf3856ad364e35_6.1.7601.17612_none_ad5f86e664eaa849.manifest
File versionNot applicable
File size706
Date (UTC)06-May-2011
Time (UTC)09:37
PlatformNot applicable
File nameAmd64_494e962e5e651f20e241c0fa12fc6623_31bf3856ad364e35_6.1.7601.21722_none_92d275eecf27552f.manifest
File versionNot applicable
File size706
Date (UTC)06-May-2011
Time (UTC)09:37
PlatformNot applicable
File nameAmd64_4c170d7c0b0f0173ba9ed6316e826539_31bf3856ad364e35_6.1.7600.16810_none_170b7411e34f45ac.manifest
File versionNot applicable
File size706
Date (UTC)06-May-2011
Time (UTC)09:37
PlatformNot applicable
File nameAmd64_d8f81e7f71f1c012df73fe8bf3037079_31bf3856ad364e35_6.1.7600.20961_none_f753b37fec8d734d.manifest
File versionNot applicable
File size706
Date (UTC)06-May-2011
Time (UTC)09:37
PlatformNot applicable
File nameAmd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7600.16810_none_0f59bb797fe2f716.manifest
File versionNot applicable
File size3,784
Date (UTC)06-May-2011
Time (UTC)10:02
PlatformNot applicable
File nameAmd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7600.20961_none_0fae48f299283bec.manifest
File versionNot applicable
File size3,838
Date (UTC)06-May-2011
Time (UTC)06:07
PlatformNot applicable
File nameAmd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7601.17612_none_114219137d0795b0.manifest
File versionNot applicable
File size3,784
Date (UTC)06-May-2011
Time (UTC)10:02
PlatformNot applicable
File nameAmd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.1.7601.21722_none_11c0e5f2962d516b.manifest
File versionNot applicable
File size3,838
Date (UTC)06-May-2011
Time (UTC)07:01
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size3,215
Date (UTC)06-May-2011
Time (UTC)09:37
PlatformNot applicable
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseinter kbsurveynew KB2547057
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