Symptoms

Consider the following scenario:

  • You use the Robocopy.exe utility to copy or to back up files on a computer that is running Windows 7 or Windows Server 2008 R2.

  • The names of the files contain East Asian characters, for example Japanese characters.

In this scenario, some files may not be copied, and the Robocopy.exe utility does not report an error. If you use the Robocopy.exe utility for backup, it may cause system instability, or a restore failure.

Here is a sample scenario:

  • You save two files into a folder on a computer that is running Windows Server 2008 R2 or Windows 7.

    • ー.txt ("chouon" character)

    • ―.txt ("em dash" character)

  • You try to copy both files to a destination folder by using the Robocopy.exe utility.

In this scenario, only one file is copied.

Cause

This issue occurs because the Robocopy.exe utility uses an incorrect string comparison function when the utility copies files.

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=supportNote 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)

  • Windows Server 2008 R2

  • Windows Server 2008 R2 Service Pack 1 (SP1)

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You do not need 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 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 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.

    Version

    Product

    SR_Level

    Service branch

    6.1.760
    0.
    21xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.
    21xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • 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

File name

File version

File size

Date

Time

Ntfs.sys

6.1.7600.21163

1,210,736

06-Mar-2012

05:59

Ntfs.sys

6.1.7601.21936

1,212,272

06-Mar-2012

05:41

Robocopy.exe

5.1.10.1027

100,864

06-Mar-2012

05:33

Robocopy.exe

5.1.10.1027

100,864

06-Mar-2012

05:18

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Ntfs.sys

6.1.7600.21163

1,683,824

06-Mar-2012

06:51

Ntfs.sys

6.1.7601.21936

1,690,480

06-Mar-2012

06:30

Robocopy.exe

5.1.10.1027

126,976

06-Mar-2012

06:36

Robocopy.exe

5.1.10.1027

126,976

06-Mar-2012

06:17

For all supported IA-64–based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Ntfs.sys

6.1.7600.21163

3,555,184

06-Mar-2012

05:42

Ntfs.sys

6.1.7601.21936

3,559,280

06-Mar-2012

05:38

Robocopy.exe

5.1.10.1027

273,408

06-Mar-2012

05:18

Robocopy.exe

5.1.10.1027

273,408

06-Mar-2012

05:16

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

For more informationabout a similar issue, click the following article number to view the article in the Microsoft Knowledge Base:

2646454 Robocopy.exe utility incorrectly skips some files during the file copy or backup process in Windows Vista or in Windows Server 2008

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

File name

X86_1c0663d1d423856758aa9ca5c0b8e41e_31bf3856ad364e35_6.1.7601.21936_none_8453b6e5bb9bdf4f.manifest

File version

Not applicable

File size

692

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

X86_2318f4ae9dba21011ae7428cecc80d1e_31bf3856ad364e35_6.1.7600.21163_none_b944bfa2d385016e.manifest

File version

Not applicable

File size

696

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

X86_33242411d2297e05c98fdac656527668_31bf3856ad364e35_6.1.7601.21936_none_5cafbb1eaf62ba62.manifest

File version

Not applicable

File size

696

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

X86_46fdebb2f30e1618a12ac711c86c76a9_31bf3856ad364e35_6.1.7601.21936_none_3bdab0add84eed7e.manifest

File version

Not applicable

File size

1,032

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

X86_6dfdc2248d43520e7301aa5e5c13a7c6_31bf3856ad364e35_6.1.7600.21163_none_4f068dcc2964cad2.manifest

File version

Not applicable

File size

1,032

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

X86_c548237f0688feb2053b81bb5113bc59_31bf3856ad364e35_6.1.7600.21163_none_50c0887b519458e1.manifest

File version

Not applicable

File size

692

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

X86_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7600.21163_none_a6e49f75974e866a.manifest

File version

Not applicable

File size

14,508

Date (UTC)

06-Mar-2012

Time (UTC)

06:36

File name

X86_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7601.21936_none_a8ee96e19459b46d.manifest

File version

Not applicable

File size

14,508

Date (UTC)

06-Mar-2012

Time (UTC)

06:26

File name

X86_microsoft-windows-robocopy_31bf3856ad364e35_6.1.7600.21163_none_c77aa53966c72990.manifest

File version

Not applicable

File size

2,586

Date (UTC)

06-Mar-2012

Time (UTC)

06:43

File name

X86_microsoft-windows-robocopy_31bf3856ad364e35_6.1.7601.21936_none_c9849ca563d25793.manifest

File version

Not applicable

File size

2,586

Date (UTC)

06-Mar-2012

Time (UTC)

06:24

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_1ba4269290ae3394d5030997b4f39a73_31bf3856ad364e35_6.1.7600.21163_none_699fb14cd9499af9.manifest

File version

Not applicable

File size

1,040

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_2318f4ae9dba21011ae7428cecc80d1e_31bf3856ad364e35_6.1.7600.21163_none_15635b268be272a4.manifest

File version

Not applicable

File size

698

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_33242411d2297e05c98fdac656527668_31bf3856ad364e35_6.1.7601.21936_none_b8ce56a267c02b98.manifest

File version

Not applicable

File size

698

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_337c869a0cee9d3893837ee2336543e7_31bf3856ad364e35_6.1.7600.21163_none_0fcf85e3c66a27bf.manifest

File version

Not applicable

File size

1,038

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_9562dd7e3d403cd79969838f31fd7bfd_31bf3856ad364e35_6.1.7601.21936_none_6093d8bda1d3e472.manifest

File version

Not applicable

File size

696

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_b49f576a4f0a90290cb8c6c0798e4ca8_31bf3856ad364e35_6.1.7600.21163_none_b322b4eaa3a9adf7.manifest

File version

Not applicable

File size

696

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_c1eada20b096a7f7756085519cd62915_31bf3856ad364e35_6.1.7601.21936_none_f301d474f3ba6cb8.manifest

File version

Not applicable

File size

1,038

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_d162704a78a5474c2ed265251a6e7f7f_31bf3856ad364e35_6.1.7601.21936_none_aebc41f21ab616c5.manifest

File version

Not applicable

File size

1,040

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Amd64_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7600.21163_none_03033af94fabf7a0.manifest

File version

Not applicable

File size

14,514

Date (UTC)

06-Mar-2012

Time (UTC)

07:29

File name

Amd64_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7601.21936_none_050d32654cb725a3.manifest

File version

Not applicable

File size

14,514

Date (UTC)

06-Mar-2012

Time (UTC)

07:08

File name

Amd64_microsoft-windows-robocopy_31bf3856ad364e35_6.1.7600.21163_none_239940bd1f249ac6.manifest

File version

Not applicable

File size

2,590

Date (UTC)

06-Mar-2012

Time (UTC)

07:26

File name

Amd64_microsoft-windows-robocopy_31bf3856ad364e35_6.1.7601.21936_none_25a338291c2fc8c9.manifest

File version

Not applicable

File size

2,590

Date (UTC)

06-Mar-2012

Time (UTC)

07:03

Additional files for all supported IA-64–based versions of Windows Server 2008 R2

File name

Ia64_989aad9c793878049c162cd028053032_31bf3856ad364e35_6.1.7600.21163_none_e8b39d59bbd1ee59.manifest

File version

Not applicable

File size

1,375

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Ia64_9d475c03f432094bf7097ba8f0ab1175_31bf3856ad364e35_6.1.7601.21936_none_07262639a41a2989.manifest

File version

Not applicable

File size

1,375

Date (UTC)

06-Mar-2012

Time (UTC)

17:51

File name

Ia64_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7600.21163_none_a6e6436b974c8f66.manifest

File version

Not applicable

File size

14,511

Date (UTC)

06-Mar-2012

Time (UTC)

06:53

File name

Ia64_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7601.21936_none_a8f03ad79457bd69.manifest

File version

Not applicable

File size

14,511

Date (UTC)

06-Mar-2012

Time (UTC)

06:38

File name

Ia64_microsoft-windows-robocopy_31bf3856ad364e35_6.1.7600.21163_none_c77c492f66c5328c.manifest

File version

Not applicable

File size

2,588

Date (UTC)

06-Mar-2012

Time (UTC)

06:51

File name

Ia64_microsoft-windows-robocopy_31bf3856ad364e35_6.1.7601.21936_none_c986409b63d0608f.manifest

File version

Not applicable

File size

2,588

Date (UTC)

06-Mar-2012

Time (UTC)

06:37

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