Slow performance when you burn a CD-RW disc by using the ISO9660-Joliet format in Windows 7 or in Windows Server 2008 R2

Symptoms

Assume that you burn a CD-RW disc by using the ISO9660-Joliet format on a computer that is running Windows 7 or Windows Server 2008 R2. In this situation, the write speed is slow compared to the write speed when you burn the disc on a computer that is running Windows XP.

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 must 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


  • 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:

    Version

    Product

    Milestone

    Service branch

    6.1.760
    0.16xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    GDR

    6.1.760
    0.21xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.17xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    GDR

    6.1.760
    1.21xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • 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

Platform

Imapi2fs.dll

6.1.7600.16942

732,160

05-Jan-2012

05:41

x86

Imapi2fs.dll

6.1.7600.21120

732,160

05-Jan-2012

05:38

x86

Imapi2fs.dll

6.1.7601.17756

732,672

05-Jan-2012

05:37

x86

Imapi2fs.dll

6.1.7601.21891

732,672

05-Jan-2012

05:24

x86

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

File name

File version

File size

Date

Time

Platform

Imapi2fs.dll

6.1.7600.16942

1,244,160

05-Jan-2012

06:29

x64

Imapi2fs.dll

6.1.7600.21120

1,244,160

05-Jan-2012

06:29

x64

Imapi2fs.dll

6.1.7601.17756

1,245,184

05-Jan-2012

06:35

x64

Imapi2fs.dll

6.1.7601.21891

1,245,184

05-Jan-2012

06:26

x64

Imapi2fs.dll

6.1.7600.16942

732,160

05-Jan-2012

05:41

x86

Imapi2fs.dll

6.1.7600.21120

732,160

05-Jan-2012

05:38

x86

Imapi2fs.dll

6.1.7601.17756

732,672

05-Jan-2012

05:37

x86

Imapi2fs.dll

6.1.7601.21891

732,672

05-Jan-2012

05:24

x86

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

File name

File version

File size

Date

Time

Platform

Imapi2fs.dll

6.1.7600.16942

2,443,264

05-Jan-2012

05:21

IA-64

Imapi2fs.dll

6.1.7600.21120

2,443,264

05-Jan-2012

05:28

IA-64

Imapi2fs.dll

6.1.7601.17756

2,446,848

05-Jan-2012

05:03

IA-64

Imapi2fs.dll

6.1.7601.21891

2,446,848

05-Jan-2012

05:20

IA-64

Imapi2fs.dll

6.1.7600.16942

732,160

05-Jan-2012

05:41

x86

Imapi2fs.dll

6.1.7600.21120

732,160

05-Jan-2012

05:38

x86

Imapi2fs.dll

6.1.7601.17756

732,672

05-Jan-2012

05:37

x86

Imapi2fs.dll

6.1.7601.21891

732,672

05-Jan-2012

05:24

x86

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

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_06e621d719c6e92f05bf855d91f1f33d_31bf3856ad364e35_6.1.7601.17756_none_4f4236e89736f524.manifest

File version

Not Applicable

File size

713

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

X86_40511edff01e77073f208954e1b0f81b_31bf3856ad364e35_6.1.7600.16942_none_5c87a972b24dd46c.manifest

File version

Not Applicable

File size

713

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

X86_63d709a6d26a15fffae82144ca6b526d_31bf3856ad364e35_6.1.7601.21891_none_433d9b6fd9fdd5d4.manifest

File version

Not Applicable

File size

713

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

X86_b20b20d900d0d83d60963d8bdc57876e_31bf3856ad364e35_6.1.7600.21120_none_d1e91ffb5a0b5d54.manifest

File version

Not Applicable

File size

713

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

X86_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.16942_none_81b81330c637c605.manifest

File version

Not Applicable

File size

36,434

Date (UTC)

05-Jan-2012

Time (UTC)

06:20

Platform

Not Applicable

File name

X86_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.21120_none_82552761df472e81.manifest

File version

Not Applicable

File size

36,434

Date (UTC)

05-Jan-2012

Time (UTC)

06:21

Platform

Not Applicable

File name

X86_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.17756_none_8397a172c362b33e.manifest

File version

Not Applicable

File size

36,434

Date (UTC)

05-Jan-2012

Time (UTC)

06:22

Platform

Not Applicable

File name

X86_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.21891_none_83f0fd1bdca54419.manifest

File version

Not Applicable

File size

36,434

Date (UTC)

05-Jan-2012

Time (UTC)

06:13

Platform

Not Applicable

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

File name

Amd64_23ec528ad83b5c614885a8e48a2e5dd3_31bf3856ad364e35_6.1.7601.17756_none_e1f765aee4103f28.manifest

File version

Not Applicable

File size

717

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_31027dcb3004ea4fbe2755e3f89360db_31bf3856ad364e35_6.1.7600.21120_none_0fdccbc048e02bea.manifest

File version

Not Applicable

File size

717

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_3755da5bae192b00148ccbc3c749360d_31bf3856ad364e35_6.1.7601.21891_none_8c7bff938444dcf0.manifest

File version

Not Applicable

File size

717

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_37c5ac8e8313e0c158226e3f0c8c0733_31bf3856ad364e35_6.1.7600.16942_none_069fd4f306312f88.manifest

File version

Not Applicable

File size

1,076

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_39e250d75087766f1a0a02a9abc5572b_31bf3856ad364e35_6.1.7600.16942_none_33dfe9dec7df32eb.manifest

File version

Not Applicable

File size

717

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_701ddc71b1523e015a9adcfa0c4f4c6c_31bf3856ad364e35_6.1.7601.17756_none_d89b61389620c065.manifest

File version

Not Applicable

File size

1,076

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_bfdbcfa05418e74c32af7604ab6b5ad6_31bf3856ad364e35_6.1.7600.21120_none_1662174bad7c8a1a.manifest

File version

Not Applicable

File size

1,076

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_dd73da4ea9a7d0c3b6198a5b8ad7f590_31bf3856ad364e35_6.1.7601.21891_none_50a4a64b411865c3.manifest

File version

Not Applicable

File size

1,076

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Amd64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.16942_none_ddd6aeb47e95373b.manifest

File version

Not Applicable

File size

36,438

Date (UTC)

05-Jan-2012

Time (UTC)

07:21

Platform

Not Applicable

File name

Amd64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.21120_none_de73c2e597a49fb7.manifest

File version

Not Applicable

File size

36,438

Date (UTC)

05-Jan-2012

Time (UTC)

07:18

Platform

Not Applicable

File name

Amd64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.17756_none_dfb63cf67bc02474.manifest

File version

Not Applicable

File size

36,438

Date (UTC)

05-Jan-2012

Time (UTC)

07:19

Platform

Not Applicable

File name

Amd64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.21891_none_e00f989f9502b54f.manifest

File version

Not Applicable

File size

36,438

Date (UTC)

05-Jan-2012

Time (UTC)

07:09

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.16942_none_e82b5906b2f5f936.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

06:10

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.21120_none_e8c86d37cc0561b2.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

06:10

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.17756_none_ea0ae748b020e66f.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

06:09

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.21891_none_ea6442f1c963774a.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

05:52

Platform

Not Applicable

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

File name

Ia64_2b60be6eefdceda49d8a84449d24b0e2_31bf3856ad364e35_6.1.7600.21120_none_575b9d6b7d429b65.manifest

File version

Not Applicable

File size

1,074

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Ia64_2d6c3399f376f5c44bc90f17497f88ec_31bf3856ad364e35_6.1.7601.21891_none_c3fa697564d98c04.manifest

File version

Not Applicable

File size

1,074

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Ia64_c99c9c60b14565f58148df2ee64bfab5_31bf3856ad364e35_6.1.7600.16942_none_f4a51eb2fa314db2.manifest

File version

Not Applicable

File size

1,074

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Ia64_d6602ac27ac8a690b0fd743a09a18065_31bf3856ad364e35_6.1.7601.17756_none_f992c53ce8dc2b0e.manifest

File version

Not Applicable

File size

1,074

Date (UTC)

05-Jan-2012

Time (UTC)

10:13

Platform

Not Applicable

File name

Ia64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.16942_none_81b9b726c635cf01.manifest

File version

Not Applicable

File size

36,436

Date (UTC)

05-Jan-2012

Time (UTC)

07:11

Platform

Not Applicable

File name

Ia64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.21120_none_8256cb57df45377d.manifest

File version

Not Applicable

File size

36,436

Date (UTC)

05-Jan-2012

Time (UTC)

07:06

Platform

Not Applicable

File name

Ia64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.17756_none_83994568c360bc3a.manifest

File version

Not Applicable

File size

36,436

Date (UTC)

05-Jan-2012

Time (UTC)

06:55

Platform

Not Applicable

File name

Ia64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.21891_none_83f2a111dca34d15.manifest

File version

Not Applicable

File size

36,436

Date (UTC)

05-Jan-2012

Time (UTC)

06:49

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.16942_none_e82b5906b2f5f936.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

06:10

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7600.21120_none_e8c86d37cc0561b2.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

06:10

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.17756_none_ea0ae748b020e66f.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

06:09

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..2-filesystemsupport_31bf3856ad364e35_6.1.7601.21891_none_ea6442f1c963774a.manifest

File version

Not Applicable

File size

36,165

Date (UTC)

05-Jan-2012

Time (UTC)

05:52

Platform

Not Applicable

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