Symptoms

When you use an FTP-over-Secure Sockets Layer (FTPS) client that implements Transport Layer Security (TLS) 1.2 to upload a file to a secure website, the file may not be uploaded as expected. Additionally, you may receive the following error message:

550: The supplied message is incomplete. The signature was not verified.


Cause

This problem occurs because of a message-handling issue in TLS 1.2.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. 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, go to 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 Windows 7 Service Pack 1 (SP1), Windows Server 2008 R2 SP1, Windows 8, Windows Server 2012, Windows 8.1, or Windows Server 2012 R2.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

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 7 and Windows Server 2008 R2 file information notesImportant 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" 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

7.5.7601.22009

16,384

01-Jun-2012

04:48

x86

Ftpctrlps.dll

7.5.7600.14294

9,728

14-Jul-2009

01:15

x86

Ftpmib.dll

7.5.7600.16385

10,240

14-Jul-2009

01:15

x86

Ftpres.dll

7.5.7600.14294

14,848

14-Jul-2009

01:05

x86

Ftpsvc.dll

7.5.7601.22760

310,272

06-Aug-2014

01:40

x86

Ftpsvc.mof

Not applicable

69,252

13-Jul-2009

21:05

Not applicable


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

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

7.5.7601.22009

18,432

01-Jun-2012

05:23

x64

Ftpctrlps.dll

7.5.7600.14294

13,824

14-Jul-2009

01:40

x64

Ftpmib.dll

7.5.7600.16385

12,800

14-Jul-2009

01:40

x64

Ftpres.dll

7.5.7600.14294

14,848

14-Jul-2009

01:27

x64

Ftpsvc.dll

7.5.7601.22760

351,232

06-Aug-2014

02:02

x64

Ftpsvc.mof

Not applicable

69,252

13-Jul-2009

20:50

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

7.5.7601.22009

40,960

01-Jun-2012

04:18

IA-64

Ftpctrlps.dll

7.5.7600.14294

22,528

14-Jul-2009

01:46

IA-64

Ftpmib.dll

7.5.7600.16385

23,552

14-Jul-2009

01:46

IA-64

Ftpres.dll

7.5.7600.14294

14,848

14-Jul-2009

01:35

IA-64

Ftpsvc.dll

7.5.7601.22760

786,432

06-Aug-2014

01:23

IA-64

Ftpsvc.mof

Not applicable

69,252

13-Jul-2009

20:48

Not applicable


Windows 8 and Windows Server 2012 file information and notesImportant Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" 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 8" 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 and Windows Server 2012" 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 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

8.0.9200.20854

319,488

17-Oct-2013

05:41

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

8.0.9200.20854

369,152

17-Oct-2013

05:55

x64

Ftpsvc.mof

Not Applicable

69,990

25-Jul-2012

20:16

Not Applicable

Windows 8.1 and Windows Server 2012 R2 file information notesImportant Windows 8.1 hotfixes and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" 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 8.1" 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 Windows Server 2012 R2" 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 8.1

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

8.5.9600.16384

16,384

22-Aug-2013

03:50

x86

Ftpctrlps.dll

8.5.9600.16384

10,752

22-Aug-2013

04:05

x86

Ftpmib.dll

8.5.9600.16384

11,776

22-Aug-2013

04:02

x86

Ftpres.dll

8.5.9600.16384

14,848

22-Aug-2013

04:16

x86

Ftpsvc.dll

8.5.9600.16457

322,048

08-Nov-2013

05:31

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

8.5.9600.16384

18,432

22-Aug-2013

11:16

x64

Ftpctrlps.dll

8.5.9600.16384

14,336

22-Aug-2013

11:33

x64

Ftpmib.dll

8.5.9600.16384

13,312

22-Aug-2013

11:31

x64

Ftpres.dll

8.5.9600.16384

14,848

22-Aug-2013

11:44

x64

Ftpsvc.dll

8.5.9600.16457

372,224

08-Nov-2013

06:25

x64

Ftpsvc.mof

Not applicable

69,990

22-Aug-2013

06:51

Not applicable



Status

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

Additional file information for Windows 7 and Windows Server 2008 R2

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

File property

Value

File name

X86_f0b9062700d99d9c9c144566c7f87c4c_31bf3856ad364e35_6.1.7601.22760_none_9788dd9b8ac822d4.manifest

File version

Not applicable

File size

698

Date (UTC)

06-Aug-2014

Time (UTC)

12:42

File name

X86_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22760_none_4cc1f7a30d2cd908.manifest

File version

Not applicable

File size

31,009

Date (UTC)

06-Aug-2014

Time (UTC)

12:45


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

File property

Value

File name

Amd64_be8d20bca7094f3cf5108c4b2bb955c6_31bf3856ad364e35_6.1.7601.22760_none_059742b3c0abaf39.manifest

File version

Not applicable

File size

1,046

Date (UTC)

06-Aug-2014

Time (UTC)

12:42

File name

Amd64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22760_none_a8e09326c58a4a3e.manifest

File version

Not applicable

File size

31,015

Date (UTC)

06-Aug-2014

Time (UTC)

12:48

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22760_none_b3353d78f9eb0c39.manifest

File version

Not applicable

File size

11,616

Date (UTC)

06-Aug-2014

Time (UTC)

01:54


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

File property

Value

File name

Ia64_16ac668f4af08cf17c75460026261df7_31bf3856ad364e35_6.1.7601.22760_none_eee583270d40cb7f.manifest

File version

Not applicable

File size

1,044

Date (UTC)

06-Aug-2014

Time (UTC)

12:42

File name

Ia64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22760_none_4cc39b990d2ae204.manifest

File version

Not applicable

File size

31,012

Date (UTC)

06-Aug-2014

Time (UTC)

12:42

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7601.22760_none_b3353d78f9eb0c39.manifest

File version

Not applicable

File size

11,616

Date (UTC)

06-Aug-2014

Time (UTC)

01:54



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

Package_1_for_kb2888853~31bf3856ad364e35~x86~~6.2.2.0.mum

File version

Not Applicable

File size

1,813

Date (UTC)

17-Oct-2013

Time (UTC)

20:37

Platform

Not Applicable

File name

Package_2_for_kb2888853~31bf3856ad364e35~x86~~6.2.2.0.mum

File version

Not Applicable

File size

1,813

Date (UTC)

17-Oct-2013

Time (UTC)

20:37

Platform

Not Applicable

File name

Package_for_kb2888853_rtm~31bf3856ad364e35~x86~~6.2.2.0.mum

File version

Not Applicable

File size

1,934

Date (UTC)

17-Oct-2013

Time (UTC)

20:37

Platform

Not Applicable

File name

X86_a56a04e38c1713194a8e2a990766f53e_31bf3856ad364e35_6.2.9200.20854_none_13cfc505650d0632.manifest

File version

Not Applicable

File size

698

Date (UTC)

17-Oct-2013

Time (UTC)

20:37

Platform

Not Applicable

File name

X86_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.2.9200.20854_none_47c0369a800ce866.manifest

File version

Not Applicable

File size

26,656

Date (UTC)

17-Oct-2013

Time (UTC)

20:37

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_c4de98a6270c4f5c157ca44c46a7240d_31bf3856ad364e35_6.2.9200.20854_none_738bbadf13755f5f.manifest

File version

Not Applicable

File size

1,046

Date (UTC)

17-Oct-2013

Time (UTC)

20:39

Platform

Not Applicable

File name

Amd64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.2.9200.20854_none_a3ded21e386a599c.manifest

File version

Not Applicable

File size

26,662

Date (UTC)

17-Oct-2013

Time (UTC)

20:39

Platform

Not Applicable

File name

Package_1_for_kb2888853~31bf3856ad364e35~amd64~~6.2.2.0.mum

File version

Not Applicable

File size

2,249

Date (UTC)

17-Oct-2013

Time (UTC)

20:39

Platform

Not Applicable

File name

Package_2_for_kb2888853~31bf3856ad364e35~amd64~~6.2.2.0.mum

File version

Not Applicable

File size

2,041

Date (UTC)

17-Oct-2013

Time (UTC)

20:39

Platform

Not Applicable

File name

Package_for_kb2888853_rtm~31bf3856ad364e35~amd64~~6.2.2.0.mum

File version

Not Applicable

File size

2,154

Date (UTC)

17-Oct-2013

Time (UTC)

20:39

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.2.9200.20854_none_ae337c706ccb1b97.manifest

File version

Not Applicable

File size

11,542

Date (UTC)

17-Oct-2013

Time (UTC)

06:30

Platform

Not Applicable

Additional file information for Windows 8.1 and Windows Server 2012 R2

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

File property

Value

File name

X86_5ea3934f5da2b6c33235341cc79aa0d8_31bf3856ad364e35_6.3.9600.16457_none_367b40ac4ef9d171.manifest

File version

Not applicable

File size

698

Date (UTC)

08-Nov-2013

Time (UTC)

20:15

File name

X86_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.3.9600.16457_none_df2e4da1b11f6da9.manifest

File version

Not applicable

File size

26,656

Date (UTC)

08-Nov-2013

Time (UTC)

20:15

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

File property

Value

File name

Amd64_1a89610cffd1e043142b283efbae4bf5_31bf3856ad364e35_6.3.9600.16457_none_ea818f37084762ac.manifest

File version

Not applicable

File size

1,046

Date (UTC)

08-Nov-2013

Time (UTC)

20:14

File name

Amd64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.3.9600.16457_none_3b4ce925697cdedf.manifest

File version

Not applicable

File size

26,662

Date (UTC)

08-Nov-2013

Time (UTC)

20:14

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.3.9600.16457_none_45a193779ddda0da.manifest

File version

Not applicable

File size

11,542

Date (UTC)

08-Nov-2013

Time (UTC)

08:39



References

See the terminology Microsoft uses to describe software updates for more information.

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