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Article ID: 2470478 - Last Review: March 15, 2011 - Revision: 2.0

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Introduction

Storage devices have traditionally been based on 512-byte sectors. Recently, storage device vendors have begun to transition to storage devices with a sector size of 4,096 bytes (4 KB). These are known as “Advanced Format Disk” or “512e” devices. Although support for these storage devices that have various software and hardware components of a system is improving, support may remain inconsistent. The most common inconsistency is that support for accurate reporting of the physical sector size of these storage devices is inconsistent. Therefore, applications must handle scenarios where the reported physical sector size of the storage device they are operating on may change. 

SYMPTOMS

The following are some examples of scenarios where the physical sector size reported to Windows can potentially change:
  • You move the storage device to a RAID controller from a direct-attached controller, and vice-versa. The reported physical sector size may change because RAID controllers may not report the physical sector size of the storage device. Therefore, the system may see 4 KB in one session, but 512 bytes in another session, and vice-versa.
  • You upgrade your primary storage device that has a 512-byte physical sector size to a storage device that has a 4-KB physical sector size, or vice-versa. And you perform a block-level backup and restore, such as with Windows backup. Consider the following scenario:
    • You perform a block-level backup of your system that is running on a storage device that reports a 512-byte physical sector size.
    • You replace that storage device by using a storage device that reports a 4-KB physical sector size.
    • You perform a block-level restore of your system to the new storage device.
    In this scenario, the reported physical sector size is changed from 512 bytes to 4 KB when the system starts.

    Note
     This scenario can also be reversed where you replace a storage device that uses a 4-KB physical sector size to a storage device that uses a 512-byte physical sector size.
  • You upgrade the storage controller in the system where the current storage controller has support for physical sector size reporting, and the new storage controller does not have support for physical sector size reporting, or vice-versa. When the storage controller changes, Windows must load the appropriate driver to support the storage controller. This issue occurs most frequently when you are upgrading from the Microsoft Inbox ATA driver (MSAHCI) to a third-party Storport-based driver, or vice-versa.
  • You change the mode of the storage controller in your system’s BIOS. This issue may occur in all combinations of modes such as AHCI, Legacy, IDE, Compatible, RAID, and so on. Each mode requires a different storage driver to be loaded by Windows. In this case, some drivers may have support and other drivers may not have support. 
The following are examples of applications that are built on the Extensible Storage Engine API (ESENT):
  • Windows Update
  • Active Directory
  • Windows Desktop Search
  • Certification authority (CA)
  • Windows Internet Name Service (WINS)
  • Dynamic Host Configuration Protocol (DHCP)
  • Windows Live Mail

As an example of how this issue may manifest itself for Windows Update, you may receive the following error message:
FATAL: Failed to initialize datastore, error = 0xC8000222.

Additionally, an event that resembles the following is logged in the application event log:


Log Name: Application
Source: ESENT
Date: <date & time>
Event ID: 412
Task Category: Logging/Recovery
Level: Error
Keywords: Classic
User: N/A
Computer: <computer name>
Description:
wuaueng.dll (936) SUS20ClientDataStore: Unable to read the header of logfile C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log. Error -546.

Note: This issue only occurs in Windows Vista and in Windows Server 2008. For information about this issue on Windows 7 and Windows Server 2008 R2, click the following article number to view the article in the Microsoft Knowledge Base:
982018  (http://support.microsoft.com/kb/982018/ ) An update that improves the compatibility of Windows 7 and Windows Server 2008 R2 with Advanced Format Disks is available

CAUSE

This issue occurs because the physical sector size that is reported by the storage device changes. Although ESENT was designed with support for 512-byte and 4-KB physical sector sizes during the initial database creation, ESENT expects that the reported physical sector size remains consistent between sessions. When the ESENT database re-initializes, it makes sure that the physical sector size that the database was created for and the current reported physical sector size are the same. When the sector sizes are different, ESENT reports an error.

WORKAROUND

To work around this issue, you may try to revert the system to a point before one of the sample scenarios occurred. For example, you may try to restore the previous storage driver.

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=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 Vista Service Pack 1 (SP1)
  • Windows Vista Service Pack 2 (SP2)
  • Windows Server 2008
  • 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  (http://support.microsoft.com/kb/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  (http://support.microsoft.com/kb/968849/ ) How to obtain the latest service pack for Windows Server 2008

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 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 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.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.600 1 . 22xxxWindows Vista and Windows Server 2008SP1LDR
    6.0.600 2 . 22xxxWindows Vista and Windows Server 2008SP2LDR
  • Service Pack 1 is integrated into the release version of Windows Server 2008.
  • 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 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 Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Esent.dll6.0.6001.228031,453,56823-Nov-201015:31x86
Esent.dll6.0.6002.225311,460,73623-Nov-201018:47x86
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Esent.dll6.0.6001.228032,523,64823-Nov-201019:56x64
Esent.dll6.0.6002.225312,507,26423-Nov-201016:59x64
Esent.dll6.0.6001.228031,453,56823-Nov-201015:31x86
Esent.dll6.0.6002.225311,460,73623-Nov-201018:47x86
For all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Esent.dll6.0.6001.228033,593,72823-Nov-201016:23IA-64
Esent.dll6.0.6002.225313,593,72823-Nov-201017:09IA-64
Esent.dll6.0.6001.228031,453,56823-Nov-201015:31x86
Esent.dll6.0.6002.225311,460,73623-Nov-201018:47x86

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 Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot Applicable
File size3,577
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameX86_a00b55ec0fad73fcee5a44b989698634_31bf3856ad364e35_6.0.6001.22803_none_ff1fc79a072100ae.manifest
File versionNot Applicable
File size716
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameX86_cbd46d9b1e778a42c2e4a807df0ee30a_31bf3856ad364e35_6.0.6002.22531_none_16e1236c1d52c817.manifest
File versionNot Applicable
File size716
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameX86_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6001.22803_none_f270f1d4452696e9.manifest
File versionNot Applicable
File size8,529
Date (UTC)23-Nov-2010
Time (UTC)15:48
PlatformNot Applicable
File nameX86_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6002.22531_none_f434f36442670d32.manifest
File versionNot Applicable
File size8,529
Date (UTC)23-Nov-2010
Time (UTC)19:06
PlatformNot Applicable
Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameAmd64_4496090fe2ed4b55faec3bb6a37ace41_31bf3856ad364e35_6.0.6002.22531_none_e69a003e2a9858f3.manifest
File versionNot Applicable
File size1,080
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameAmd64_6bb5b11ef44590247d548b6daebdc8a8_31bf3856ad364e35_6.0.6001.22803_none_bf9c7af067a0b8f9.manifest
File versionNot Applicable
File size720
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameAmd64_fa29ef6f84924efc8ae3a6a65054cfcf_31bf3856ad364e35_6.0.6001.22803_none_626f192d3104a520.manifest
File versionNot Applicable
File size1,080
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameAmd64_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6001.22803_none_4e8f8d57fd84081f.manifest
File versionNot Applicable
File size8,549
Date (UTC)23-Nov-2010
Time (UTC)20:17
PlatformNot Applicable
File nameAmd64_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6002.22531_none_50538ee7fac47e68.manifest
File versionNot Applicable
File size8,549
Date (UTC)23-Nov-2010
Time (UTC)17:15
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size3,605
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameX86_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6001.22803_none_f270f1d4452696e9.manifest
File versionNot Applicable
File size8,529
Date (UTC)23-Nov-2010
Time (UTC)15:48
PlatformNot Applicable
File nameX86_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6002.22531_none_f434f36442670d32.manifest
File versionNot Applicable
File size8,529
Date (UTC)23-Nov-2010
Time (UTC)19:06
PlatformNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameIa64_918a0c8a0b358b2e1bbda5b3a167d2db_31bf3856ad364e35_6.0.6001.22803_none_09f59e92687bfd90.manifest
File versionNot Applicable
File size718
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameIa64_9dd2bb1af74b0e6e1ca038eb7c5d2152_31bf3856ad364e35_6.0.6002.22531_none_e4e41af7aff067f6.manifest
File versionNot Applicable
File size1,078
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameIa64_cbf834760282e0881e4013008f011298_31bf3856ad364e35_6.0.6001.22803_none_829b14ab676064f8.manifest
File versionNot Applicable
File size1,078
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameIa64_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6001.22803_none_f27295ca45249fe5.manifest
File versionNot Applicable
File size8,539
Date (UTC)23-Nov-2010
Time (UTC)16:41
PlatformNot Applicable
File nameIa64_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6002.22531_none_f436975a4265162e.manifest
File versionNot Applicable
File size8,539
Date (UTC)23-Nov-2010
Time (UTC)17:26
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size2,758
Date (UTC)24-Nov-2010
Time (UTC)08:04
PlatformNot Applicable
File nameX86_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6001.22803_none_f270f1d4452696e9.manifest
File versionNot Applicable
File size8,529
Date (UTC)23-Nov-2010
Time (UTC)15:48
PlatformNot Applicable
File nameX86_microsoft-windows-e..estorageengine-isam_31bf3856ad364e35_6.0.6002.22531_none_f434f36442670d32.manifest
File versionNot Applicable
File size8,529
Date (UTC)23-Nov-2010
Time (UTC)19:06
PlatformNot Applicable

APPLIES TO
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate
  • Windows Vista Ultimate 64-bit Edition
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Standard
  • Windows Server 2008 Standard without Hyper-V
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2470478
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