Safe removal functionality is unavailable for an eSATA device that is connected to a computer that is running Windows Vista SP1 or Windows Server 2008

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Article ID: 961078 - View products that this article applies to.
Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.
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SYMPTOMS

Assume that you connect an external Serial Advanced Technology Attachment (eSATA) device to a computer that is running Windows Vista Service Pack 1 (SP1) or Windows Server 2008. However, you do not see a safe removal icon in the notification area. Or, the safe removal tool does not list the eSATA device. Therefore, you cannot safely remove the eSATA device.

This problem occurs if the eSATA device uses the Microsoft Advanced Host Controller Interface (AHCI) driver that is provided by the system. This problem may not occur if you use the driver for the eSATA device that is provided by the vendor of the eSATA device.

Note Safe removal makes sure that all read and write operations are committed before you unplug the eSATA device.

CAUSE

The Microsoft AHCI driver that is built into the system does not support removable hot-plugging functionality for eSATA controller ports.

RESOLUTION

By default, the following hotfix is disabled after it is applied. You can enable it through a registry entry. To function correctly, this hotfix requires certain BIOS behavior. Therefore, OEMs can use this registry entry together with an updated BIOS. If you enable the hotfix without updating the BIOS, the system will present all devices as removable, and this may cause unexpected issues.

Hotfix information

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

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 on a Windows Vista-based computer, you must have Windows Vista SP1 installed.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack
No prerequisites are required for Windows Server 2008-based computers.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

Registry setting information

OEMs can apply the following registry setting to work with their BIOS systems:
Subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSAHCI\ControllerX
(The X in the subkey name is a placeholder for an integer number such as 0, 1 and 2.)
Entry:
eSATAEnabled

Type: REG_BINARY
Value: 01

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Vista and Windows Server 2008 file information notes

  • 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.
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.0.6000.16xxxWindows VistaRTMGDR
    6.0.6000.20xxxWindows VistaRTMLDR
    6.0.6001.18xxxWindows Vista SP1 and Windows Server 2008 SP1SP1GDR
    6.0.6001.22xxxWindows Vista SP1 and Windows Server 2008 SP1SP1LDR
  • Service Pack 1 is integrated into Windows Server 2008.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.015,84018-Dec-200820:49x86
Amdide.sys6.0.6001.2233316,35218-Dec-200820:49x86
Atapi.sys6.0.6001.2233319,93618-Dec-200820:49x86
Ataport.sys6.0.6001.22333108,51218-Dec-200820:50x86
Cmdide.sys2.0.7.017,37618-Dec-200820:49x86
Intelide.sys6.0.6001.2233316,35218-Dec-200820:49x86
Msahci.sys6.0.6001.2233327,61618-Dec-200820:49x86
Pciide.sys6.0.6001.2233314,81618-Dec-200820:48x86
Pciidex.sys6.0.6001.2233343,48818-Dec-200820:48x86
Viaide.sys5.1.3790.15018,40018-Dec-200820:48x86
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.016,86418-Dec-200821:13x64
Amdide.sys6.0.6001.2233316,86418-Dec-200821:13x64
Atapi.sys6.0.6001.2233320,96018-Dec-200821:13x64
Ataport.sys6.0.6001.22333123,36018-Dec-200821:14x64
Cmdide.sys2.0.7.018,91218-Dec-200821:13x64
Intelide.sys6.0.6001.2233317,88818-Dec-200821:13x64
Msahci.sys6.0.6001.2233329,66418-Dec-200821:13x64
Pciide.sys6.0.6001.2233314,81618-Dec-200821:13x64
Pciidex.sys6.0.6001.2233349,63218-Dec-200821:13x64
Viaide.sys5.1.3790.15018,91218-Dec-200821:14x64
For all supported Itanium-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.020,44818-Dec-200820:57IA-64
Atapi.sys6.0.6001.2233336,83218-Dec-200820:57IA-64
Ataport.sys6.0.6001.22333307,16818-Dec-200820:57IA-64
Cmdide.sys2.0.7.028,12818-Dec-200820:57IA-64
Intelide.sys6.0.6001.2233322,49618-Dec-200820:57IA-64
Msahci.sys6.0.6001.2233361,40818-Dec-200820:57IA-64
Pciide.sys6.0.6001.2233319,93618-Dec-200820:57IA-64
Pciidex.sys6.0.6001.22333110,04818-Dec-200820:57IA-64
Viaide.sys5.1.3790.15029,66418-Dec-200820:57IA-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 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 for Windows Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File namePackage_for_kb961078_client_1~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,367
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_client~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,431
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,421
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_sc~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,423
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,425
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_server~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,431
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_winpesrv_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,422
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_winpesrv~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)19-Dec-2008
Time (UTC)01:18
File nameX86_mshdc.inf_31bf3856ad364e35_6.0.6001.22333_none_dda459cb3abd088c.manifest
File versionNot Applicable
File size6,874
Date (UTC)19-Dec-2008
Time (UTC)01:19
Additional files for all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameAmd64_mshdc.inf_31bf3856ad364e35_6.0.6001.22333_none_39c2f54ef31a79c2.manifest
File versionNot Applicable
File size6,876
Date (UTC)19-Dec-2008
Time (UTC)01:21
File namePackage_for_kb961078_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,375
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_client~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,439
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_sc~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,431
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,433
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_server~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,439
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_winpesrv_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,430
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_winpesrv~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,437
Date (UTC)19-Dec-2008
Time (UTC)01:18
Additional files for all supported Itanium-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameIa64_mshdc.inf_31bf3856ad364e35_6.0.6001.22333_none_dda5fdc13abb1188.manifest
File versionNot Applicable
File size6,297
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,425
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,426
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_server~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,434
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,426
Date (UTC)19-Dec-2008
Time (UTC)01:18
File namePackage_for_kb961078_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,433
Date (UTC)19-Dec-2008
Time (UTC)01:18

Properties

Article ID: 961078 - Last Review: October 8, 2011 - Revision: 2.0
APPLIES TO
  • Windows Vista Service Pack 1, when used with:
    • Windows Vista Starter
    • Windows Vista Ultimate
    • Windows Vista Home Premium
    • Windows Vista Home Basic
    • Windows Vista Enterprise
    • Windows Vista Business
    • Windows Vista Business 64-bit Edition
    • Windows Vista Ultimate 64-bit Edition
    • Windows Vista Home Premium 64-bit Edition
    • Windows Vista Home Basic 64-bit Edition
    • Windows Vista Enterprise 64-bit Edition
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Standard without Hyper-V
  • Windows Web Server 2008
Keywords: 
kbautohotfix kbexpertisebeginner kbsurveynew kbbug kbfix kbqfe KB961078

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