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  2. The HBA APIs return the wrong device names for the HBAs and their external peripherals in Windows 7 and in Windows Server 2008 R2

The HBA APIs return the wrong device names for the HBAs and their external peripherals in Windows 7 and in Windows Server 2008 R2

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You enable some host bus adapters (HBAs) APIs on a computer that is running Windows Server 2008 R2 or Windows 7.
  • The correct device names of the HBAs and their external peripherals are returned by the HBA API.
  • You disable some HBA APIs, and then you enable them in an order that differs from the order in which they were originally enabled.
In this scenario, the HBA APIs return the wrong device names for the HBAs and their external peripherals.

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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 Web site:
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, your computer must be running Windows 7 or Windows Server 2008 R2.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

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 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 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 and for Windows 7" 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
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Hbaapi.dll6.1.7600.2076266,04823-Jul-201004:38x86
Hbaapi.mofNot Applicable482,50413-Jul-200920:49Not Applicable
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Hbaapi.dll6.1.7600.2076278,33623-Jul-201005:03x64
Hbaapi.mofNot Applicable482,50413-Jul-200920:39Not Applicable
Hbaapi.dll6.1.7600.2076266,04823-Jul-201004:38x86
Hbaapi.mofNot Applicable482,50413-Jul-200920:49Not Applicable
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Hbaapi.dll6.1.7600.20762179,71223-Jul-201004:15IA-64
Hbaapi.mofNot Applicable482,50413-Jul-200920:40Not Applicable
Hbaapi.dll6.1.7600.2076266,04823-Jul-201004:38x86
Hbaapi.mofNot Applicable482,50413-Jul-200920:49Not Applicable

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More information

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 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File namePackage_1_for_kb978949~31bf3856ad364e35~x86~~6.1.2.0.mum
File versionNot Applicable
File size1,817
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File namePackage_2_for_kb978949~31bf3856ad364e35~x86~~6.1.2.0.mum
File versionNot Applicable
File size1,773
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File namePackage_for_kb978949_rtm~31bf3856ad364e35~x86~~6.1.2.0.mum
File versionNot Applicable
File size1,908
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameX86_1a6494a2ae63fdc3261a680bb93471a4_31bf3856ad364e35_6.1.7600.20762_none_d1788b824be765ac.manifest
File versionNot Applicable
File size694
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameX86_microsoft-windows-hbaapi_31bf3856ad364e35_6.1.7600.20762_none_4986447ded837c4c.manifest
File versionNot Applicable
File size13,107
Date (UTC)23-Jul-2010
Time (UTC)05:12
PlatformNot Applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_0b0d8d0203fc750804190ce5edeb98ba_31bf3856ad364e35_6.1.7600.20762_none_47075e893979e231.manifest
File versionNot Applicable
File size698
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameAmd64_473c8276422dc39b7f9012e6e2ace654_31bf3856ad364e35_6.1.7600.20762_none_e638cebd781b9666.manifest
File versionNot Applicable
File size698
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameAmd64_7f589120bf8832a38ded3dac3d95476a_31bf3856ad364e35_6.1.7600.20762_none_4cb9827793a8f814.manifest
File versionNot Applicable
File size1,038
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameAmd64_microsoft-windows-hbaapi_31bf3856ad364e35_6.1.7600.20762_none_a5a4e001a5e0ed82.manifest
File versionNot Applicable
File size13,111
Date (UTC)23-Jul-2010
Time (UTC)06:05
PlatformNot Applicable
File namePackage_1_for_kb978949~31bf3856ad364e35~amd64~~6.1.2.0.mum
File versionNot Applicable
File size2,249
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File namePackage_2_for_kb978949~31bf3856ad364e35~amd64~~6.1.2.0.mum
File versionNot Applicable
File size2,049
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File namePackage_3_for_kb978949~31bf3856ad364e35~amd64~~6.1.2.0.mum
File versionNot Applicable
File size1,997
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File namePackage_for_kb978949_rtm~31bf3856ad364e35~amd64~~6.1.2.0.mum
File versionNot Applicable
File size2,840
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameWow64_microsoft-windows-hbaapi_31bf3856ad364e35_6.1.7600.20762_none_aff98a53da41af7d.manifest
File versionNot Applicable
File size3,441
Date (UTC)23-Jul-2010
Time (UTC)05:06
PlatformNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_473c8276422dc39b7f9012e6e2ace654_31bf3856ad364e35_6.1.7600.20762_none_8a1bd72fbfbc2e2c.manifest
File versionNot Applicable
File size697
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameIa64_bf0e1025cae916546fb3ff84a4f0bb32_31bf3856ad364e35_6.1.7600.20762_none_d130210394f49830.manifest
File versionNot Applicable
File size696
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameIa64_microsoft-windows-hbaapi_31bf3856ad364e35_6.1.7600.20762_none_4987e873ed818548.manifest
File versionNot Applicable
File size13,109
Date (UTC)23-Jul-2010
Time (UTC)06:00
PlatformNot Applicable
File namePackage_1_for_kb978949~31bf3856ad364e35~ia64~~6.1.2.0.mum
File versionNot Applicable
File size1,823
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File namePackage_2_for_kb978949~31bf3856ad364e35~ia64~~6.1.2.0.mum
File versionNot Applicable
File size2,043
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File namePackage_for_kb978949_rtm~31bf3856ad364e35~ia64~~6.1.2.0.mum
File versionNot Applicable
File size1,958
Date (UTC)23-Jul-2010
Time (UTC)17:49
PlatformNot Applicable
File nameWow64_microsoft-windows-hbaapi_31bf3856ad364e35_6.1.7600.20762_none_aff98a53da41af7d.manifest
File versionNot Applicable
File size3,441
Date (UTC)23-Jul-2010
Time (UTC)05:06
PlatformNot Applicable

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Keywords: kbqfe, kbHotfixServer, kbsurveynew, kbautohotfix, kbexpertiseadvanced, kbbug, kbfix, KB978949

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Article Info
Article ID : 978949
Revision : 3
Created on : 10/10/2011
Published on : 10/10/2011
Exists online : False
Views : 497