Symptoms

Consider the following scenario:

  • You install a custom certificate validation module in Internet Information Services (IIS) 7.5 or IIS 8.0.

  • You host a Web application or Web service that accepts a self-signed certificate for validation in IIS.

  • An HTTPS request that uses a self-signed certificate from a client computer is sent to the Web application or Web service.

In this scenario, the client computer may receive an "HTTP 403 (Forbidden)" error message.

Cause

This issue occurs because IIS rejects the self-signed certificate before it reaches the custom certificate validation module.

Note This issue typically occurs when you use a large-sized certificate.

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 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

For IIS 7.5

To apply this hotfix, you must have IIS 7.5 installed on a computer that is 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 IIS 8.0

To apply this hotfix, you must have IIS 8.0 installed on a computer that is running one of the following operating systems:

  • Windows 8

  • Windows Server 2012

Restart requirement

You must restart the computer if IIS is running when you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Hwebcore.dll

7.5.7600.17133

12,800

1-Oct-12

15:48

x86

Iiscore.dll

7.5.7600.17133

197,632

1-Oct-12

16:49

x86

W3dt.dll

7.5.7600.17133

24,064

1-Oct-12

15:49

x86

Hwebcore.dll

7.5.7600.21333

12,800

29-Sep-12

15:44

x86

Iiscore.dll

7.5.7600.21333

200,192

29-Sep-12

16:44

x86

W3dt.dll

7.5.7600.21333

24,064

29-Sep-12

15:44

x86

Hwebcore.dll

7.5.7601.17963

12,800

1-Oct-12

15:41

x86

Iiscore.dll

7.5.7601.17963

198,144

1-Oct-12

16:40

x86

W3dt.dll

7.5.7601.17963

24,064

1-Oct-12

15:41

x86

Hwebcore.dll

7.5.7601.22123

12,800

29-Sep-12

15:29

x86

Iiscore.dll

7.5.7601.22123

200,192

29-Sep-12

16:28

x86

W3dt.dll

7.5.7601.22123

24,064

29-Sep-12

15:29

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

Hwebcore.dll

7.5.7600.17133

15,360

1-Oct-12

17:46

x64

Iiscore.dll

7.5.7600.17133

313,856

1-Oct-12

17:46

x64

W3dt.dll

7.5.7600.17133

31,744

1-Oct-12

17:52

x64

Hwebcore.dll

7.5.7600.21333

15,360

29-Sep-12

17:25

x64

Iiscore.dll

7.5.7600.21333

314,880

29-Sep-12

17:26

x64

W3dt.dll

7.5.7600.21333

31,744

29-Sep-12

17:31

x64

Hwebcore.dll

7.5.7601.17963

15,360

1-Oct-12

17:37

x64

Iiscore.dll

7.5.7601.17963

300,544

1-Oct-12

17:37

x64

W3dt.dll

7.5.7601.17963

32,256

1-Oct-12

17:41

x64

Hwebcore.dll

7.5.7601.22123

15,360

29-Sep-12

17:40

x64

Iiscore.dll

7.5.7601.22123

315,392

29-Sep-12

17:40

x64

W3dt.dll

7.5.7601.22123

32,256

29-Sep-12

17:45

x64

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

File name

File version

File size

Date

Time

Platform

Hwebcore.dll

7.5.7600.17133

37,376

1-Oct-12

16:34

IA-64

Iiscore.dll

7.5.7600.17133

573,952

1-Oct-12

16:34

IA-64

W3dt.dll

7.5.7600.17133

52,736

1-Oct-12

16:42

IA-64

Hwebcore.dll

7.5.7600.21333

37,376

29-Sep-12

16:27

IA-64

Iiscore.dll

7.5.7600.21333

581,632

29-Sep-12

16:27

IA-64

W3dt.dll

7.5.7600.21333

52,736

29-Sep-12

16:33

IA-64

Hwebcore.dll

7.5.7601.17963

37,376

1-Oct-12

16:26

IA-64

Iiscore.dll

7.5.7601.17963

575,488

1-Oct-12

16:27

IA-64

W3dt.dll

7.5.7601.17963

52,736

1-Oct-12

16:32

IA-64

Hwebcore.dll

7.5.7601.22123

37,376

29-Sep-12

16:34

IA-64

Iiscore.dll

7.5.7601.22123

582,144

29-Sep-12

16:34

IA-64

W3dt.dll

7.5.7601.22123

52,736

29-Sep-12

16:40

IA-64

For all supported x86-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Hwebcore.dll

8.0.9200.16432

14,336

10-Oct-12

6:30

x86

Iiscore.dll

8.0.9200.16432

206,336

10-Oct-12

6:30

x86

W3dt.dll

8.0.9200.16432

25,600

10-Oct-12

6:31

x86

Hwebcore.dll

8.0.9200.20533

14,336

10-Oct-12

6:43

x86

Iiscore.dll

8.0.9200.20533

206,336

10-Oct-12

6:43

x86

W3dt.dll

8.0.9200.20533

25,600

10-Oct-12

6:44

x86

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

File name

File version

File size

Date

Time

Platform

Hwebcore.dll

8.0.9200.16432

16,896

10-Oct-12

7:04

x64

Iiscore.dll

8.0.9200.16432

318,976

10-Oct-12

7:04

x64

W3dt.dll

8.0.9200.16432

39,424

10-Oct-12

7:04

x64

Hwebcore.dll

8.0.9200.20533

16,896

10-Oct-12

7:16

x64

Iiscore.dll

8.0.9200.20533

318,976

10-Oct-12

7:16

x64

W3dt.dll

8.0.9200.20533

39,424

10-Oct-12

7:17

x64

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

Update.mum

File version

Not Applicable

File size

3,288

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

X86_16c40cfb0553320201a9516c6b418272_31bf3856ad364e35_6.1.7600.21333_none_3b02ff940e9924f8.manifest

File version

Not Applicable

File size

705

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

X86_8da928bef21d8d7808ef7aeee6926905_31bf3856ad364e35_6.1.7600.17133_none_b71a709d2b21533e.manifest

File version

Not Applicable

File size

705

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

X86_a87e19d1cafed07c5acee30208af93ed_31bf3856ad364e35_6.1.7601.17963_none_d04b1d36617df4a1.manifest

File version

Not Applicable

File size

705

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

X86_fc9390e976c9cb57127ea968d51bf044_31bf3856ad364e35_6.1.7601.22123_none_4b2ad2f1b7b1c5b3.manifest

File version

Not Applicable

File size

705

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

X86_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.17133_none_cfb452be8a71b37e.manifest

File version

Not Applicable

File size

10,228

Date (UTC)

01-Oct-2012

Time (UTC)

17:17

Platform

Not Applicable

File name

X86_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.21333_none_d03df16fa38f506f.manifest

File version

Not Applicable

File size

10,228

Date (UTC)

29-Sep-2012

Time (UTC)

17:59

Platform

Not Applicable

File name

X86_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.17963_none_d17a69c487b03d22.manifest

File version

Not Applicable

File size

10,228

Date (UTC)

01-Oct-2012

Time (UTC)

17:12

Platform

Not Applicable

File name

X86_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.22123_none_d22f1e61a0ada06a.manifest

File version

Not Applicable

File size

10,228

Date (UTC)

29-Sep-2012

Time (UTC)

17:00

Platform

Not Applicable

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

File name

Amd64_23731bd974f6f71be47385b3ce6428c4_31bf3856ad364e35_6.1.7601.22123_none_2f15b44cbd2130f6.manifest

File version

Not Applicable

File size

1,060

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Amd64_2d402ef2a908f8d2dd9149fef64e9d7f_31bf3856ad364e35_6.1.7600.17133_none_ea36ea0312480248.manifest

File version

Not Applicable

File size

1,060

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Amd64_982a1283a7dd3d9cb66618d57bacb301_31bf3856ad364e35_6.1.7600.21333_none_611fb332d1497b7f.manifest

File version

Not Applicable

File size

1,060

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Amd64_affff66f55ebbdac34ba581047a3e6c5_31bf3856ad364e35_6.1.7601.17963_none_be03a951bbb6a048.manifest

File version

Not Applicable

File size

1,060

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Amd64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.17133_none_2bd2ee4242cf24b4.manifest

File version

Not Applicable

File size

10,236

Date (UTC)

01-Oct-2012

Time (UTC)

18:21

Platform

Not Applicable

File name

Amd64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.21333_none_2c5c8cf35becc1a5.manifest

File version

Not Applicable

File size

10,236

Date (UTC)

29-Sep-2012

Time (UTC)

18:19

Platform

Not Applicable

File name

Amd64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.17963_none_2d990548400dae58.manifest

File version

Not Applicable

File size

10,236

Date (UTC)

01-Oct-2012

Time (UTC)

18:12

Platform

Not Applicable

File name

Amd64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.22123_none_2e4db9e5590b11a0.manifest

File version

Not Applicable

File size

10,236

Date (UTC)

29-Sep-2012

Time (UTC)

19:31

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

3,730

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.17133_none_36279894772fe6af.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

01-Oct-2012

Time (UTC)

17:12

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.21333_none_36b13745904d83a0.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

29-Sep-2012

Time (UTC)

17:39

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.17963_none_37edaf9a746e7053.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

01-Oct-2012

Time (UTC)

17:02

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.22123_none_38a264378d6bd39b.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

29-Sep-2012

Time (UTC)

16:51

Platform

Not Applicable

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

File name

Ia64_1074944af042233d291c06ae87d5da96_31bf3856ad364e35_6.1.7600.21333_none_f1d0abb33360f082.manifest

File version

Not Applicable

File size

1,058

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Ia64_3cec6372575677350d80d0484a517a42_31bf3856ad364e35_6.1.7601.22123_none_9c65dd544ce59db8.manifest

File version

Not Applicable

File size

1,058

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Ia64_4e46467001f9bbc9a1b1021f2412719c_31bf3856ad364e35_6.1.7600.17133_none_7929f499de85fe73.manifest

File version

Not Applicable

File size

1,058

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Ia64_d4cd0910ca58c25cae574dee7d1a40db_31bf3856ad364e35_6.1.7601.17963_none_e7fc40f34257475e.manifest

File version

Not Applicable

File size

1,058

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Ia64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.17133_none_cfb5f6b48a6fbc7a.manifest

File version

Not Applicable

File size

10,232

Date (UTC)

01-Oct-2012

Time (UTC)

18:21

Platform

Not Applicable

File name

Ia64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.21333_none_d03f9565a38d596b.manifest

File version

Not Applicable

File size

10,232

Date (UTC)

29-Sep-2012

Time (UTC)

18:14

Platform

Not Applicable

File name

Ia64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.17963_none_d17c0dba87ae461e.manifest

File version

Not Applicable

File size

10,232

Date (UTC)

01-Oct-2012

Time (UTC)

18:04

Platform

Not Applicable

File name

Ia64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.22123_none_d230c257a0aba966.manifest

File version

Not Applicable

File size

10,232

Date (UTC)

29-Sep-2012

Time (UTC)

18:01

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

2,767

Date (UTC)

03-Oct-2012

Time (UTC)

02:41

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.17133_none_36279894772fe6af.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

01-Oct-2012

Time (UTC)

17:12

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7600.21333_none_36b13745904d83a0.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

29-Sep-2012

Time (UTC)

17:39

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.17963_none_37edaf9a746e7053.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

01-Oct-2012

Time (UTC)

17:02

Platform

Not Applicable

File name

Wow64_microsoft-windows-iis-corewebengine_31bf3856ad364e35_6.1.7601.22123_none_38a264378d6bd39b.manifest

File version

Not Applicable

File size

7,906

Date (UTC)

29-Sep-2012

Time (UTC)

16:51

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 name

Update.mum

File version

Not Applicable

File size

9,754

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

X86_4978043d61b62004a9b13cbedcc2fcf8_31bf3856ad364e35_6.2.9200.20533_none_9efdefd0e29e04e8.manifest

File version

Not Applicable

File size

713

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

X86_e4fe4ecc114aff2eb4e4f8ba36be28bc_31bf3856ad364e35_6.2.9200.16432_none_49d4369afa4d17b2.manifest

File version

Not Applicable

File size

713

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

X86_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.2.9200.16432_none_91e34806f72d77d7.manifest

File version

Not Applicable

File size

7,009

Date (UTC)

10-Oct-2012

Time (UTC)

07:08

Platform

Not Applicable

File name

X86_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.2.9200.20533_none_926de51c104a30f8.manifest

File version

Not Applicable

File size

7,009

Date (UTC)

10-Oct-2012

Time (UTC)

07:02

Platform

Not Applicable

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

File name

Amd64_0d7b7b13c4ccaa9328dc3d656803b709_31bf3856ad364e35_6.2.9200.20533_none_e44fda31bb7ae092.manifest

File version

Not Applicable

File size

717

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

Amd64_5245a835d2d7883ac02b3b738786c95c_31bf3856ad364e35_6.2.9200.20533_none_6194969d0222004c.manifest

File version

Not Applicable

File size

1,076

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

Amd64_594e1a8371390587ef4028be853c0905_31bf3856ad364e35_6.2.9200.20533_none_27cde5e99d34a22e.manifest

File version

Not Applicable

File size

717

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

Amd64_5bd42036805b1558492bc7f078c9b6f3_31bf3856ad364e35_6.2.9200.16432_none_732a9afa7814feaf.manifest

File version

Not Applicable

File size

717

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

Amd64_72b6ee3537aeeac0253aebea11ef31e1_31bf3856ad364e35_6.2.9200.16432_none_27aa684ff9899a9b.manifest

File version

Not Applicable

File size

1,076

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

Amd64_97eb1eee693dfa251c0bdbf55a6238a1_31bf3856ad364e35_6.2.9200.16432_none_8433fa2e93feb217.manifest

File version

Not Applicable

File size

717

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

Amd64_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.2.9200.16432_none_ee01e38aaf8ae90d.manifest

File version

Not Applicable

File size

7,015

Date (UTC)

10-Oct-2012

Time (UTC)

09:04

Platform

Not Applicable

File name

Amd64_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.2.9200.20533_none_ee8c809fc8a7a22e.manifest

File version

Not Applicable

File size

7,015

Date (UTC)

10-Oct-2012

Time (UTC)

09:29

Platform

Not Applicable

File name

Update.mum

File version

Not Applicable

File size

10,048

Date (UTC)

10-Oct-2012

Time (UTC)

21:18

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.2.9200.16432_none_f8568ddce3ebab08.manifest

File version

Not Applicable

File size

6,086

Date (UTC)

10-Oct-2012

Time (UTC)

07:02

Platform

Not Applicable

File name

Wow64_microsoft-windows-i..rewebenginebinaries_31bf3856ad364e35_6.2.9200.20533_none_f8e12af1fd086429.manifest

File version

Not Applicable

File size

6,086

Date (UTC)

10-Oct-2012

Time (UTC)

08:07

Platform

Not Applicable


Status

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

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