Network adapter teaming breaks after you install the hotfix that is described in KB article 2487376 or 2495300 in Windows Vista SP2 or in Windows Server 2008 SP2

Applies to: Windows Vista BusinessWindows Vista Business 64-bit EditionWindows Vista Enterprise More

Symptoms


Consider the following scenario:
  • You have a computer that is running Windows Vista Service Pack 2 (SP2) or Windows Server 2008 SP2.
  • You configure network adapter teaming on the computer.
  • You install the hotfix that is described in Microsoft Knowledge Base (KB) article 2487376 or 2495300.
In this scenario, network adapter teaming breaks. Additionally, the network adapter teaming settings and other TCP/IP related static settings are lost.

Cause


This issue occurs because the hotfix changes the serial numbers of the network adapter PCI devices.

Resolution


Note If you upgrade Windows Server 2008 to Windows Server 2008 R2, or if you upgrade Windows Vista to Windows 7, and then you install the hotfix that is described in this KB article, network adapter teaming still breaks.

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: 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 Windows Vista Service Pack 2 (SP2) or Windows Server 2008 Service Pack 2 (SP2).For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:

935791 How to obtain the latest Windows Vista service pack

For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

968849 How to obtain the latest service pack for Windows Server 2008

Registry information

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
After apply this hotfix, you must create a registry key before you restart the computer. To do this, follow these steps:
  1. Click Startstart button , type regedit in the Search programs and files box, and then press ENTER.
    UAC If you are prompted for an administrator password, type the password. If you are prompted for confirmation, provide confirmation.
  2. Locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\PnP\Pci
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type HackFlags, and then press ENTER.
  5. Right-click HackFlags, and then click Modify.
  6. In the Value data box, type 0x00040000, and then click OK.
  7. Exit Registry Editor.

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 Vista and Windows Server 2008 file information notes
Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" 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 Vista" 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.
    VersionProductSR_LevelService branch
    6.0.600
    2.
    22xxx
    Windows Vista and Windows Server 2008SP2LDR
  • 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 and for Windows Vista" section. MUM files and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. 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 Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
Agp440.sys6.0.6002.2284853,12007-May-201217:02x86
Amdagp.sys6.0.6002.2284854,14407-May-201217:02x86
Isapnp.sys6.0.6002.2284846,46407-May-201217:02x86
Msisadrv.sys6.0.6002.2284813,18407-May-201217:02x86
Mssmbios.sys6.0.6002.2284828,03207-May-201217:02x86
Nv_agp.sys6.0.6002.22848105,85607-May-201217:02x86
Pci.sys6.0.6002.22848149,37607-May-201217:02x86
Rdpdr.sys6.0.6002.22848250,36807-May-201213:56x86
Sisagp.sys6.0.6002.2284852,60807-May-201217:02x86
Streamci.dll6.0.6002.2284821,88807-May-201217:02x86
Swenum.sys6.0.6002.2284812,03207-May-201217:02Not applicable
Termdd.sys6.0.6002.2284851,58407-May-201217:02x86
Uliagpkx.sys6.0.6002.2284857,72807-May-201217:02x86
Viaagp.sys6.0.6002.2284853,63207-May-201217:02x86
Volmgr.sys6.0.6002.2284849,53607-May-201217:02x86
Volmgrx.sys6.0.6002.22848291,20007-May-201216:54x86
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
Agp440.sys6.0.6002.2284861,31207-May-201216:50x64
Isapnp.sys6.0.6002.2284820,35207-May-201216:50x64
Msisadrv.sys6.0.6002.2284814,72007-May-201216:50x64
Mssmbios.sys6.0.6002.2284831,61607-May-201216:50x64
Nv_agp.sys6.0.6002.22848123,26407-May-201216:50x64
Pci.sys6.0.6002.22848178,56007-May-201216:50x64
Rdpdr.sys6.0.6002.22848315,90407-May-201214:29x64
Streamci.dll6.0.6002.2284823,42407-May-201216:50x64
Swenum.sys6.0.6002.2284812,28807-May-201216:50x64
Termdd.sys6.0.6002.2284860,80007-May-201216:50x64
Uliagpkx.sys6.0.6002.2284864,89607-May-201216:50x64
Volmgr.sys6.0.6002.2284862,84807-May-201216:50x64
Volmgrx.sys6.0.6002.22848406,40007-May-201216:45x64
For all supported IA-64-based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform
Agp460.sys6.0.6002.22848136,70407-May-201213:17IA-64
Isapnp.sys6.0.6002.2284834,17607-May-201216:42IA-64
Msisadrv.sys6.0.6002.2284821,88807-May-201216:42IA-64
Mssmbios.sys6.0.6002.2284854,14407-May-201216:42IA-64
Pci.sys6.0.6002.22848442,75207-May-201216:42IA-64
Rdpdr.sys6.0.6002.22848711,68007-May-201213:52IA-64
Streamci.dll6.0.6002.2284842,88007-May-201216:42IA-64
Swenum.sys6.0.6002.2284816,00007-May-201216:42Not applicable
Termdd.sys6.0.6002.22848156,54407-May-201216:42IA-64
Volmgr.sys6.0.6002.22848145,79207-May-201216:42IA-64
Volmgrx.sys6.0.6002.228481,031,04007-May-201216:35IA-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 this issue, click the following article numbers to view the articles in the Microsoft Knowledge Base:
2487376 FIX: Stop error when you replace an iSCSI network adapter or a motherboard by using an identical device on a Windows Server 2008-based or Windows Vista-based computer: "0x0000007B"
2495300 Invalid "Avg. Disk sec/Transfer" value returned by the RegQueryValueEx function in Windows Server 2008 or in Windows Vista
For 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 Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008
File nameX86_1e4659bcf16ecdb00d846e68a48f9d20_31bf3856ad364e35_6.0.6002.22848_none_6742687035d5e420.manifest
File versionNot applicable
File size708
Date (UTC)07-May-2012
Time (UTC)17:14
PlatformNot applicable
File nameX86_machine.inf_31bf3856ad364e35_6.0.6002.22848_none_bc5fd18ad50dec6a.manifest
File versionNot applicable
File size9,974
Date (UTC)07-May-2012
Time (UTC)17:15
PlatformNot applicable
File nameX86_microsoft-windows-dynamicvolumemanager_31bf3856ad364e35_6.0.6002.22848_none_df4fa6519c85e9dc.manifest
File versionNot applicable
File size4,464
Date (UTC)07-May-2012
Time (UTC)17:15
PlatformNot applicable
Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
File nameAmd64_d1a0c0ddee06d05e66f40223af0a08fb_31bf3856ad364e35_6.0.6002.22848_none_e4bae26512dfe293.manifest
File versionNot applicable
File size712
Date (UTC)07-May-2012
Time (UTC)17:14
PlatformNot applicable
File nameAmd64_machine.inf_31bf3856ad364e35_6.0.6002.22848_none_187e6d0e8d6b5da0.manifest
File versionNot applicable
File size8,242
Date (UTC)07-May-2012
Time (UTC)17:15
PlatformNot applicable
File nameAmd64_microsoft-windows-dynamicvolumemanager_31bf3856ad364e35_6.0.6002.22848_none_3b6e41d554e35b12.manifest
File versionNot applicable
File size4,733
Date (UTC)07-May-2012
Time (UTC)17:15
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
File nameIa64_40856dc1a39f70eea2765f3d5cef5ea4_31bf3856ad364e35_6.0.6002.22848_none_520c05dc4dccf142.manifest
File versionNot applicable
File size710
Date (UTC)07-May-2012
Time (UTC)17:14
PlatformNot applicable
File nameIa64_machine.inf_31bf3856ad364e35_6.0.6002.22848_none_bc617580d50bf566.manifest
File versionNot applicable
File size7,081
Date (UTC)07-May-2012
Time (UTC)17:15
PlatformNot applicable
File nameIa64_microsoft-windows-dynamicvolumemanager_31bf3856ad364e35_6.0.6002.22848_none_df514a479c83f2d8.manifest
File versionNot applicable
File size4,730
Date (UTC)07-May-2012
Time (UTC)17:15
PlatformNot applicable