This article describes an issue that occurs in the FTP service on a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1. A hotfix is available to resolve this issue. The hotfix has a prerequisite.

Symptoms

This issue occurs when you try to download a file while the file is still being written to, even if the application that is writing to the file has opened the file by specifying the FILE_SHARE_READ value for the sharing mode. When this issue occurs, you cannot download the file, and the FTP service returns an error message that resembles the following:


550 The process cannot access the file because it is being used by another process.

Hotfix information

Important Do not install a language pack after you install this hotfix. If you do, the language-specific changes in the hotfix will not be applied, and you will have to reinstall the hotfix. For more information, see Add language packs to Windows.

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 this specific problem.

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, submit a request to 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 have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or 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 may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 8.1 and Windows Server 2012 R2 file information and note

Important Windows 8.1 hotfixes and Windows Server 2012 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 8.1/Windows Server 2012 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 MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are

    listed separately in the "Additional file information for Windows 8.1 and for Windows Server 2012 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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 8.1

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

8.5.9600.17725

16,896

11-Mar-2015

01:05

x86

Ftpctrlps.dll

8.5.9600.17725

10,240

11-Mar-2015

01:17

x86

Ftpmib.dll

8.5.9600.17725

10,752

11-Mar-2015

01:15

x86

Ftpres.dll

8.5.9600.16384

14,848

22-Aug-2013

04:16

x86

Ftpsvc.dll

8.5.9600.17725

344,064

11-Mar-2015

00:57

x86

Ftpsvc.mof

Not applicable

69,990

21-Aug-2013

23:46

Not applicable

For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

8.5.9600.17725

19,968

11-Mar-2015

01:44

x64

Ftpctrlps.dll

8.5.9600.17725

14,848

11-Mar-2015

01:59

x64

Ftpmib.dll

8.5.9600.17725

13,312

11-Mar-2015

01:56

x64

Ftpres.dll

8.5.9600.16384

14,848

22-Aug-2013

11:44

x64

Ftpsvc.dll

8.5.9600.17725

393,216

11-Mar-2015

01:33

x64

Ftpsvc.mof

Not applicable

69,990

22-Aug-2013

06:51

Not applicable

Windows 8 and Windows Server 2012 file information and note

Important Windows 8 hotfixes and Windows Server 2012 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 8/Windows Server 2012" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • 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 and for Windows Server 2008 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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 8

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

8.0.9200.16384

15,360

26-Jul-2012

03:18

x86

Ftpctrlps.dll

8.0.9200.16384

10,240

26-Jul-2012

03:18

x86

Ftpmib.dll

8.0.9200.16384

10,752

26-Jul-2012

03:18

x86

Ftpres.dll

8.0.9200.16384

14,848

26-Jul-2012

02:44

x86

Ftpsvc.dll

8.0.9200.21616

319,488

07-Sep-2015

15:17

x86

Ftpsvc.mof

Not applicable

69,990

25-Jul-2012

20:18

Not applicable

For all supported x64-based versions of Windows 8 and of Windows Server 2012

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

8.0.9200.16384

17,920

26-Jul-2012

03:05

x64

Ftpctrlps.dll

8.0.9200.16384

14,336

26-Jul-2012

03:05

x64

Ftpmib.dll

8.0.9200.16384

13,312

26-Jul-2012

03:05

x64

Ftpres.dll

8.0.9200.16384

14,848

26-Jul-2012

02:34

x64

Ftpsvc.dll

8.0.9200.21616

369,664

07-Sep-2015

14:23

x64

Ftpsvc.mof

Not applicable

69,990

25-Jul-2012

20:16

Not applicable

Windows 7 and Windows Server 2008 R2 file information and note

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 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 and for Windows Server 2008 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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

Ftpconfigext.dll

7.5.7601.22982

16,384

05-Mar-2015

04:10

x86

Ftpctrlps.dll

7.5.7601.22982

9,728

05-Mar-2015

04:10

x86

Ftpmib.dll

7.5.7601.22982

10,240

05-Mar-2015

04:10

x86

Ftpres.dll

7.5.7601.22982

14,848

05-Mar-2015

04:06

x86

Ftpsvc.dll

7.5.7601.22982

310,272

05-Mar-2015

04:10

x86

Ftpsvc.mof

Not applicable

69,252

05-Mar-2015

01:25

Not applicable

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

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

7.5.7601.22982

18,432

05-Mar-2015

04:23

x64

Ftpctrlps.dll

7.5.7601.22982

13,824

05-Mar-2015

04:23

x64

Ftpmib.dll

7.5.7601.22982

12,800

05-Mar-2015

04:23

x64

Ftpres.dll

7.5.7601.22982

14,848

05-Mar-2015

04:19

x64

Ftpsvc.dll

7.5.7601.22982

351,232

05-Mar-2015

04:23

x64

Ftpsvc.mof

Not applicable

69,252

05-Mar-2015

01:15

Not applicable

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

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

7.5.7601.22982

40,960

05-Mar-2015

03:31

IA-64

Ftpctrlps.dll

7.5.7601.22982

22,528

05-Mar-2015

03:31

IA-64

Ftpmib.dll

7.5.7601.22982

23,552

05-Mar-2015

03:31

IA-64

Ftpres.dll

7.5.7601.22982

14,848

05-Mar-2015

03:27

IA-64

Ftpsvc.dll

7.5.7601.22982

786,432

05-Mar-2015

03:31

IA-64

Ftpsvc.mof

Not applicable

69,252

05-Mar-2015

01:07

Not applicable

Additional file information

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_88477c24b79c92385578f0352a6516ea_31bf3856ad364e35_6.3.9600.17725_none_5ff770c55b197b27.manifest

File version

Not applicable

File size

698

Date (UTC)

11-Mar-2015

Time (UTC)

18:44

Platform

Not applicable

File name

X86_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.3.9600.17725_none_df4cabbbb108f83e.manifest

File version

Not applicable

File size

25,960

Date (UTC)

11-Mar-2015

Time (UTC)

18:48

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File property

Value

File name

Amd64_4c334a7f318e7e5b0bdf61bacbd3b9cd_31bf3856ad364e35_6.3.9600.17725_none_840b577ca9139d62.manifest

File version

Not applicable

File size

1,046

Date (UTC)

11-Mar-2015

Time (UTC)

18:44

Platform

Not applicable

File name

Amd64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.3.9600.17725_none_3b6b473f69666974.manifest

File version

Not applicable

File size

25,966

Date (UTC)

11-Mar-2015

Time (UTC)

18:44

Platform

Not applicable

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.3.9600.17725_none_45bff1919dc72b6f.manifest

File version

Not applicable

File size

11,518

Date (UTC)

11-Mar-2015

Time (UTC)

02:14

Platform

Not applicable

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8

File property

Value

File name

Update.mum

File version

Not applicable

File size

1,796

Date (UTC)

07-Sep-2015

Time (UTC)

20:09

Platform

Not applicable

File name

X86_45c1a58d100ee3357dacc59a34b0a8c1_31bf3856ad364e35_6.2.9200.21616_none_685dff9493f2bf6a.manifest

File version

Not applicable

File size

698

Date (UTC)

07-Sep-2015

Time (UTC)

20:09

Platform

Not applicable

File name

X86_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.2.9200.21616_none_47ed5c4a7feacaa3.manifest

File version

Not applicable

File size

25,960

Date (UTC)

07-Sep-2015

Time (UTC)

20:13

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012

File property

Value

File name

Amd64_b087fa0c367f7370602f10d4508f20b2_31bf3856ad364e35_6.2.9200.21616_none_f2e8ac0ad63dacec.manifest

File version

Not applicable

File size

1,046

Date (UTC)

07-Sep-2015

Time (UTC)

20:09

Platform

Not applicable

File name

Amd64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.2.9200.21616_none_a40bf7ce38483bd9.manifest

File version

Not applicable

File size

25,966

Date (UTC)

07-Sep-2015

Time (UTC)

20:09

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,014

Date (UTC)

07-Sep-2015

Time (UTC)

20:09

Platform

Not applicable

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.2.9200.21616_none_ae60a2206ca8fdd4.manifest

File version

Not applicable

File size

11,518

Date (UTC)

07-Sep-2015

Time (UTC)

15:37

Platform

Not applicable

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File property

Value

File name

X86_e4fb02832e7fb01c91d04ed77281e7c7_31bf3856ad364e35_6.1.7601.22982_none_6e54d57c40f84bd9.manifest

File version

Not applicable

File size

698

Date (UTC)

05-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

X86_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22982_none_4cae5c2b0d3b3de6.manifest

File version

Not applicable

File size

29,360

Date (UTC)

05-Mar-2015

Time (UTC)

04:38

Platform

Not applicable

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

File property

Value

File name

Amd64_b93790dbe7a40a5efb8702b6f12cedf6_31bf3856ad364e35_6.1.7601.22982_none_d9aeae6490df6469.manifest

File version

Not applicable

File size

1,046

Date (UTC)

05-Mar-2015

Time (UTC)

18:11

Platform

Not applicable

File name

Amd64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22982_none_a8ccf7aec598af1c.manifest

File version

Not applicable

File size

29,366

Date (UTC)

05-Mar-2015

Time (UTC)

04:48

Platform

Not applicable

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22982_none_b321a200f9f97117.manifest

File version

Not applicable

File size

11,568

Date (UTC)

05-Mar-2015

Time (UTC)

04:33

Platform

Not applicable

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

File property

Value

File name

Ia64_157ca3abf4ced819a8b64f4c9aa67d48_31bf3856ad364e35_6.1.7601.22982_none_8bde54fca1a45ba4.manifest

File version

Not applicable

File size

1,044

Date (UTC)

05-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Ia64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22982_none_4cb000210d3946e2.manifest

File version

Not applicable

File size

29,363

Date (UTC)

05-Mar-2015

Time (UTC)

04:21

Platform

Not applicable

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22982_none_b321a200f9f97117.manifest

File version

Not applicable

File size

11,568

Date (UTC)

05-Mar-2015

Time (UTC)

04:33

Platform

Not applicable

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

See the terminology that Microsoft uses to describe software updates.

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