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Article ID: 2523887 - Last Review: April 7, 2013 - Revision: 3.0

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Symptoms

Consider the following scenario:
  • You use the Offline Files feature to synchronize data between a Windows 7-based computer and a file server in a network environment.
  • You set a quota for a user on the file server.
  • The file server disk for the user is full.
In this scenario, you may encounter file corruption issues. For example, the user changes an existing file offline. The file is bigger than the user quota. When offline file synchronization is started, the synchronization changes the file copy on the file server regardless of whether the file server has sufficient disk space. However, the attribute of the file copy is still updated after the sync is finished. Therefore, the file is corrupted.

Additionally, you receive the following error message in Sync Center:
A file was changed on this computer and the server whilst this computer was offline

Notes
  • If the user accesses the file only on the client computer, the user does not notice this issue, because of the cached copy that is stored on the client computer is fine.
  • If the user tries to access the server copy from another client, the file is corrupted and unusable.

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=supportNote)

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 7
  • Windows 7 Service Pack 1 (SP1)
For more information about how to obtain a Windows 7 or 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/2523887) 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 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 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 7 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 . 20xxxWindows 7RTMLDR
    6.1.760 1 . 21xxxWindows 7SP1LDR
  • 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 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are very important for maintaining 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
Cscsvc.dll6.1.7600.20970545,79220-May-201112:06x86
Microsoft-windows-offlinefiles.mofNot applicable1,77613-Jul-200920:25Not applicable
Cscsvc.dll6.1.7601.21731546,30420-May-201115:21x86
Microsoft-windows-offlinefiles.mofNot applicable1,77613-Jul-200920:25Not applicable
For all supported x64-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Cscsvc.dll6.1.7600.20970692,22420-May-201112:47x64
Microsoft-windows-offlinefiles.mofNot applicable1,77613-Jul-200920:20Not applicable
Cscsvc.dll6.1.7601.21731692,22420-May-201115:25x64
Microsoft-windows-offlinefiles.mofNot applicable1,77613-Jul-200920:20Not applicable





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

For more information about offline files, click the following Windows website:

Understanding offline files (http://windows.microsoft.com/en-us/windows-vista/Understanding-offline-files)

For more information about how to use offline files, click the following Microsoft TechNet website:

Recommendations for using offline files (http://technet.microsoft.com/library/cc778661(WS.10).aspx)

Additional file information

Additional file information for Windows 7

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameX86_0a22de6e7dc4f2214900039456879694_31bf3856ad364e35_6.1.7600.20970_none_33ece81cf370e9c2.manifest
File versionNot applicable
File size708
Date (UTC)21-May-2011
Time (UTC)00:16
PlatformNot applicable
File nameX86_d2a02857805a225a05a7d70f39a680ce_31bf3856ad364e35_6.1.7601.21731_none_153ddd7bfd4a5764.manifest
File versionNot applicable
File size708
Date (UTC)21-May-2011
Time (UTC)00:16
PlatformNot applicable
File nameX86_microsoft-windows-offlinefiles-service_31bf3856ad364e35_6.1.7600.20970_none_0a395cf0dbcdd0d4.manifest
File versionNot applicable
File size56,703
Date (UTC)20-May-2011
Time (UTC)12:37
PlatformNot applicable
File nameX86_microsoft-windows-offlinefiles-service_31bf3856ad364e35_6.1.7601.21731_none_0c4bf9f0d8d2e653.manifest
File versionNot applicable
File size56,703
Date (UTC)20-May-2011
Time (UTC)15:54
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7
Collapse this tableExpand this table
File nameAmd64_198217ac5962ccf19b50188f65227466_31bf3856ad364e35_6.1.7600.20970_none_4a69926a6fe68a93.manifest
File versionNot applicable
File size712
Date (UTC)21-May-2011
Time (UTC)00:16
PlatformNot applicable
File nameAmd64_2f0934b51a559e8ba43e178bd7be04b7_31bf3856ad364e35_6.1.7601.21731_none_cce2335f417794ad.manifest
File versionNot applicable
File size712
Date (UTC)21-May-2011
Time (UTC)00:16
PlatformNot applicable
File nameAmd64_microsoft-windows-offlinefiles-service_31bf3856ad364e35_6.1.7600.20970_none_6657f874942b420a.manifest
File versionNot applicable
File size56,710
Date (UTC)20-May-2011
Time (UTC)19:09
PlatformNot applicable
File nameAmd64_microsoft-windows-offlinefiles-service_31bf3856ad364e35_6.1.7601.21731_none_686a957491305789.manifest
File versionNot applicable
File size56,710
Date (UTC)20-May-2011
Time (UTC)20:37
PlatformNot applicable

Applies to
  • Windows 7 Enterprise
  • Windows 7 Professional
  • Windows 7 Ultimate
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Starter
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseinter KB2523887
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