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Symptoms

Consider the following scenario:

  • You install Microsoft WebDAV 7.5 for IIS on a computer that is running Internet Information Services (IIS) 7.0 or IIS 7.5.

  • You enable the WebDAV feature on a website that points to a folder. Additionally, you enable Windows Authentication.

  • A user has Read and Delete NTFS permissions on the folder. The user does not have Write permissions on the folder.

  • You create WebDAV authoring rules to enable group access to the user for the content on the website.

  • The user opens a file from the website by using WebDAV, makes changes, and then tries to save the file.

In this scenario, the user does not receive an "Access Denied" message. Instead, the file to which the user made changes is deleted.

Cause

The issue occurs because of an error in the Webdav.dll module.

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.

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. The dates and times may also change when you perform certain operations on the files.

Windows 7 and Windows Server 2008 R2 file information notes

  • 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 critical to maintaining the state of the updated component. 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

Webdav.dll

7.5.7601.21854

159,232

04-Nov-2011

06:22

x86

Webdav.dll

7.5.7600.21084

157,696

04-Nov-2011

04:40

x86

Webdav_simple_lock.dll

7.5.7600.16385

15,360

14-Jul-2009

01:16

x86

Webdav_simple_lock.dll

7.5.7600.16385

15,360

14-Jul-2009

01:16

x86

Webdav_simple_prop.dll

7.5.7601.21854

15,360

04-Nov-2011

06:22

x86

Webdav_simple_prop.dll

7.5.7600.21084

15,360

04-Nov-2011

04:40

x86

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

File name

File version

File size

Date

Time

Platform

Webdav.dll

7.5.7600.21084

185,344

04-Nov-2011

05:34

x64

Webdav_simple_lock.dll

7.5.7600.16385

18,944

14-Jul-2009

01:41

x64

Webdav_simple_prop.dll

7.5.7600.21084

18,432

04-Nov-2011

05:34

x64

Webdav.dll

7.5.7601.21854

186,368

04-Nov-2011

06:50

x64

Webdav_simple_lock.dll

7.5.7600.16385

18,944

14-Jul-2009

01:41

x64

Webdav_simple_prop.dll

7.5.7601.21854

18,432

04-Nov-2011

06:50

x64

Webdav.dll

7.5.7600.21084

157,696

04-Nov-2011

04:40

x86

Webdav_simple_lock.dll

7.5.7600.16385

15,360

14-Jul-2009

01:16

x86

Webdav_simple_prop.dll

7.5.7600.21084

15,360

04-Nov-2011

04:40

x86

Webdav.dll

7.5.7601.21854

159,232

04-Nov-2011

06:22

x86

Webdav_simple_lock.dll

7.5.7600.16385

15,360

14-Jul-2009

01:16

x86

Webdav_simple_prop.dll

7.5.7601.21854

15,360

04-Nov-2011

06:22

x86

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

File name

File version

File size

Date

Time

Platform

Webdav.dll

7.5.7600.21084

457,728

04-Nov-2011

04:26

IA-64

Webdav_simple_lock.dll

7.5.7600.16385

43,520

14-Jul-2009

01:49

IA-64

Webdav_simple_prop.dll

7.5.7600.21084

39,424

04-Nov-2011

04:26

IA-64

Webdav.dll

7.5.7601.21854

460,288

04-Nov-2011

04:13

IA-64

Webdav_simple_lock.dll

7.5.7600.16385

43,520

14-Jul-2009

01:49

IA-64

Webdav_simple_prop.dll

7.5.7601.21854

39,424

04-Nov-2011

04:13

IA-64

Webdav.dll

7.5.7600.21084

157,696

04-Nov-2011

04:40

x86

Webdav_simple_lock.dll

7.5.7600.16385

15,360

14-Jul-2009

01:16

x86

Webdav_simple_prop.dll

7.5.7600.21084

15,360

04-Nov-2011

04:40

x86

Webdav.dll

7.5.7601.21854

159,232

04-Nov-2011

06:22

x86

Webdav_simple_lock.dll

7.5.7600.16385

15,360

14-Jul-2009

01:16

x86

Webdav_simple_prop.dll

7.5.7601.21854

15,360

04-Nov-2011

06:22

x86

Status

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

More Information

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

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

File name

Package_1_for_kb2618752~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,022

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_2_for_kb2618752~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,786

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_3_for_kb2618752~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,430

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_4_for_kb2618752~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,142

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_for_kb2618752_rtm~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,100

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_for_kb2618752_sp1~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,284

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

X86_09cd97617acdfd73ca96c6276ce69e4c_31bf3856ad364e35_6.1.7601.21854_none_5396627362cd3bda.manifest

File version

Not Applicable

File size

706

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

X86_2a0dcb08416a7b9cc3f36c98d0f27457_31bf3856ad364e35_6.1.7600.21084_none_4925400d892f2e93.manifest

File version

Not Applicable

File size

706

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

X86_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7600.21084_none_6ab0478caaa7e125.manifest

File version

Not Applicable

File size

4,743

Date (UTC)

04-Nov-2011

Time (UTC)

17:14

File name

X86_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7601.21854_none_6cb73e1aa7b5c323.manifest

File version

Not Applicable

File size

4,743

Date (UTC)

04-Nov-2011

Time (UTC)

17:14

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

File name

Amd64_41006208e01b822d4edc25a6830d6f75_31bf3856ad364e35_6.1.7600.21084_none_a4a13fbfd3f407d8.manifest

File version

Not Applicable

File size

1,062

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Amd64_4453b076b7398b7ffedf6d7d18daba0e_31bf3856ad364e35_6.1.7601.21854_none_def9268fb374cfdf.manifest

File version

Not Applicable

File size

1,062

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Amd64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7600.21084_none_c6cee3106305525b.manifest

File version

Not Applicable

File size

4,749

Date (UTC)

04-Nov-2011

Time (UTC)

17:51

File name

Amd64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7601.21854_none_c8d5d99e60133459.manifest

File version

Not Applicable

File size

4,749

Date (UTC)

04-Nov-2011

Time (UTC)

17:51

File name

Package_1_for_kb2618752~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,468

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_2_for_kb2618752~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,022

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_3_for_kb2618752~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

3,088

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_4_for_kb2618752~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,382

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_for_kb2618752_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,322

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_for_kb2618752_sp1~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,508

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Wow64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7600.21084_none_d1238d6297661456.manifest

File version

Not Applicable

File size

4,408

Date (UTC)

04-Nov-2011

Time (UTC)

17:51

File name

Wow64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7601.21854_none_d32a83f09473f654.manifest

File version

Not Applicable

File size

4,408

Date (UTC)

04-Nov-2011

Time (UTC)

17:51

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

File name

Ia64_cbee36d141b6a838d46f1437a4123d7e_31bf3856ad364e35_6.1.7601.21854_none_e49dcab1637b9284.manifest

File version

Not Applicable

File size

1,060

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Ia64_eec0f61dc9fe67451ad0352d8998f6aa_31bf3856ad364e35_6.1.7600.21084_none_719380b8437105fb.manifest

File version

Not Applicable

File size

1,060

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Ia64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7600.21084_none_6ab1eb82aaa5ea21.manifest

File version

Not Applicable

File size

4,746

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Ia64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7601.21854_none_6cb8e210a7b3cc1f.manifest

File version

Not Applicable

File size

4,746

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_1_for_kb2618752~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

2,254

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_2_for_kb2618752~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

2,664

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_for_kb2618752_rtm~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,657

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Package_for_kb2618752_sp1~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,657

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Wow64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7600.21084_none_d1238d6297661456.manifest

File version

Not Applicable

File size

4,408

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

File name

Wow64_microsoft-windows-iis-webdavbinaries_31bf3856ad364e35_6.1.7601.21854_none_d32a83f09473f654.manifest

File version

Not Applicable

File size

4,408

Date (UTC)

04-Nov-2011

Time (UTC)

16:33

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