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You cannot save documents to a folder or change the permission settings of folders on a SMB 1.0-based remote server from a Windows-based computer that has security update 980232 (MS10-020) installed

Symptoms

You apply security update 980232 (MS10-020) on a computer that is running one of the following operating systems:

  • Windows 2000 Service Pack 4 (SP4)

  • Windows XP Service Pack 2 (SP2)

  • Windows XP Service Pack 3 (SP3)

  • Windows Server 2003 SP2

  • Windows Vista Service Pack 1 (SP1)

  • Windows Vista SP2

  • Windows Server 2008

  • Windows Server 2008 SP2

  • Windows 7

  • Windows Server 2008 R2

You may encounter one of the following issues when you use a remote server that is based on the Server Message Block (SMB) version 1 protocol. For example, you use a Windows NT Server 4.0 or other third-party servers, or a network storage device as the remote server.

Issue 1

You receive a “Document not saved” error message when you try to use a Microsoft Office application to save a document to the remote server.

Issue 2

You cannot use the built-in backup utility to save backup files to the remote server. For example, you cannot save backup files to the remote server when you use NTBackup in Windows XP or in Windows Server 2003.

Issue 3

The Security tab is missing when you examine the property of a folder on the remote server. Therefore, you cannot view or change the permission settings of folders on the remote server.



These issues may also occur if you do not use a SMB 1.0-based device, but use a Wide Area Network (WAN) optimizer instead. For example, you use Cisco wide area application services (WAAS) software.

Note The Server Message Block is more frequently known as the Common Internet File System (CIFS).

Cause

This issue occurs because security update 980232 (MS10-020) introduces a new validation for the security descriptors that are returned from the remote server. The validation calls the RtlValidRelativeSecurityDescriptor routine together with the security descriptor buffer and the length of the security descriptor buffer. For the length of the security descriptor buffer, the validation uses a field in the server response and assumes the field is set to the length of the security descriptor buffer correctly when the remote server responds with "STATUS_SUCCESS." However, the remote server returns 0 for the field. This behavior causes the validation to fail.

Resolution

After you apply the hotfix, the DataCount field of the server response is used as the length of the security descriptor buffer when the validation runs. This makes sure that the new validation succeeds when the SMB 1.0-based remote server returns "STATUS_SUCCESS."

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 Web site:

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 2000 SP4

  • Windows XP SP2

  • Windows XP SP3

  • Windows Server 2003 SP2

  • Windows Vista SP1

  • Windows Vista SP2

  • Windows Server 2008

  • Windows Server 2008 SP2

  • Windows 7

  • Windows Server 2008 R2

For more information about how to obtain a Windows XP service pack, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

For more information about how to obtain a Windows Server 2003 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:

935791 How to obtain the latest Windows Vista service pack

For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

968849 How to obtain the latest service pack for Windows Server 2008

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 English (United States) version or 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 2000 file information notes
For all supported x86-based versions of Windows 2000 SP4

File name

File version

File size

Date

Time

Platform

Mrxsmb.sys

5.0.2195.7399

416,336

04-May-2010

10:17

x86

Windows XP and Windows Server 2003 file information notes
  • In addition to the files that are listed in these tables, this hotfix also installs an associated security catalog file (KBnumber.cat) that is signed with a Microsoft digital signature.

For all supported x86-based versions of Windows XP

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Mrxsmb.sys

5.1.2600.3708

454,016

04-May-2010

15:03

x86

SP2

SP2GDR

Mrxsmb.sys

5.1.2600.3708

457,216

04-May-2010

15:21

x86

SP2

SP2QFE

Mrxsmb.sys

5.1.2600.5977

455,680

04-May-2010

14:32

x86

SP3

SP3GDR

Mrxsmb.sys

5.1.2600.5977

457,216

04-May-2010

14:20

x86

SP3

SP3QFE

For all supported x86-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Mrxsmb.sys

5.2.3790.4703

438,784

04-May-2010

13:59

x86

SP2

SP2GDR

Mrxsmb.sys

5.2.3790.4703

439,296

04-May-2010

14:02

x86

SP2

SP2QFE

For all supported x64-based versions of Windows XP Professional and Windows Server 2003

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Mrxsmb.sys

5.2.3790.4703

787,456

05-May-2010

04:30

x64

SP2

SP2GDR

Mrxsmb.sys

5.2.3790.4703

787,968

05-May-2010

04:15

x64

SP2

SP2QFE

For all supported IA-64-based versions of Windows Server 2003

File name

File version

File size

Date

Time

Platform

SP requirement

Service branch

Mrxsmb.sys

5.2.3790.4703

1,172,480

05-May-2010

04:29

IA-64

SP2

SP2GDR

Mrxsmb.sys

5.2.3790.4703

1,173,504

05-May-2010

04:15

IA-64

SP2

SP2QFE

Windows Vista and Windows Server 2008 file information notes

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" 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 Vista" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    SR_Level

    Service branch

    6.0.600
    1.
    22xxx

    Windows Vista and Windows Server 2008

    SP1

    LDR

    6.0.600
    2.
    22xxx

    Windows Vista and Windows Server 2008

    SP2

    LDR

  • Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxxx version number.

  • 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 and for Windows Vista" section. MUM files and MANIFEST files, and the associated security catalog (.cat) files, are extremely important 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 Server 2008 and of Windows Vista

File name

File version

File size

Date

Time

Platform

Mrxsmb10.sys

6.0.6001.18470

212,992

04-May-2010

16:37

x86

Mrxsmb10.sys

6.0.6001.22685

212,992

04-May-2010

16:43

x86

Mrxsmb10.sys

6.0.6002.18255

212,992

04-May-2010

16:52

x86

Mrxsmb10.sys

6.0.6002.22398

212,992

04-May-2010

17:05

x86

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

File name

File version

File size

Date

Time

Platform

Mrxsmb10.sys

6.0.6001.18470

273,920

04-May-2010

17:03

x64

Mrxsmb10.sys

6.0.6001.22685

273,920

04-May-2010

17:03

x64

Mrxsmb10.sys

6.0.6002.18255

273,920

04-May-2010

17:16

x64

Mrxsmb10.sys

6.0.6002.22398

273,920

04-May-2010

17:15

x64

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

File name

File version

File size

Date

Time

Platform

Mrxsmb10.sys

6.0.6001.18470

656,896

04-May-2010

16:43

IA-64

Mrxsmb10.sys

6.0.6001.22685

656,896

04-May-2010

16:43

IA-64

Mrxsmb10.sys

6.0.6002.18255

657,920

04-May-2010

17:00

IA-64

Mrxsmb10.sys

6.0.6002.22398

657,920

04-May-2010

17:01

IA-64

Windows 7 and Windows Server 2008 R2 file information notes


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 Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important 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

Mrxsmb10.sys

6.1.7600.16586

221,696

04-May-2010

03:29

x86

Mrxsmb10.sys

6.1.7600.20706

221,696

04-May-2010

03:35

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

Mrxsmb10.sys

6.1.7600.16586

286,720

04-May-2010

03:42

x64

Mrxsmb10.sys

6.1.7600.20706

286,720

04-May-2010

03:51

x64

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

File name

File version

File size

Date

Time

Platform

Mrxsmb10.sys

6.1.7600.16586

673,280

04-May-2010

03:03

IA-64

Mrxsmb10.sys

6.1.7600.20706

673,280

04-May-2010

02:53

IA-64

Status

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

More Information

After you apply the hotfix, the DataCount field of the server response is used as the length of the security descriptor buffer when the validation runs.

For more information about the RtlValidRelativeSecurityDescriptor routine, visit the following Microsoft Developer Network (MSDN) website:

General information about the RtlValidRelativeSecurityDescriptor routineFor 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 Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008

File name

Update.mum

File version

Not applicable

File size

3,565

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

X86_5bdd7accfeee29bd7334cfb54834bd42_31bf3856ad364e35_6.0.6002.18255_none_35da2b2a14f9a345.manifest

File version

Not applicable

File size

701

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

X86_615e6508c52699d92804624b5f4819f9_31bf3856ad364e35_6.0.6001.22685_none_b6c0ab077fcf0c2c.manifest

File version

Not applicable

File size

701

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

X86_685821846596f127c9ec5688384ee650_31bf3856ad364e35_6.0.6002.22398_none_9889dc8feb45b50a.manifest

File version

Not applicable

File size

701

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

X86_8c20ccea0e42f075e6c72632391e1fdf_31bf3856ad364e35_6.0.6001.18470_none_6d4c427f778ceee9.manifest

File version

Not applicable

File size

701

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

X86_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6001.18470_none_8858e3ad4ba765b8.manifest

File version

Not applicable

File size

7,160

Date (UTC)

05-May-2010

Time (UTC)

09:17

Platform

Not applicable

File name

X86_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6001.22685_none_88dcb3e464c89d4d.manifest

File version

Not applicable

File size

7,160

Date (UTC)

05-May-2010

Time (UTC)

08:19

Platform

Not applicable

File name

X86_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6002.18255_none_8a59f8c548b8fed4.manifest

File version

Not applicable

File size

7,160

Date (UTC)

05-May-2010

Time (UTC)

06:47

Platform

Not applicable

File name

X86_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6002.22398_none_8abb56be61f45a67.manifest

File version

Not applicable

File size

7,160

Date (UTC)

05-May-2010

Time (UTC)

05:48

Platform

Not applicable

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

File name

Amd64_0dab637d25b984ca7e00baa6a8ed6f05_31bf3856ad364e35_6.0.6001.22685_none_9e0e9b648941259b.manifest

File version

Not applicable

File size

705

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Amd64_47f8ae427bf6957aed887ff558d184dc_31bf3856ad364e35_6.0.6002.18255_none_7db9ea9376753b2a.manifest

File version

Not applicable

File size

705

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Amd64_ad72020810ec889d753399488e0bbcd6_31bf3856ad364e35_6.0.6002.22398_none_8cf70461633a1547.manifest

File version

Not applicable

File size

705

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Amd64_f7a9c2e788f2aebf0435d3fda1208a36_31bf3856ad364e35_6.0.6001.18470_none_dd2d7b3ca89dd295.manifest

File version

Not applicable

File size

705

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Amd64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6001.18470_none_e4777f310404d6ee.manifest

File version

Not applicable

File size

7,427

Date (UTC)

05-May-2010

Time (UTC)

08:52

Platform

Not applicable

File name

Amd64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6001.22685_none_e4fb4f681d260e83.manifest

File version

Not applicable

File size

7,427

Date (UTC)

05-May-2010

Time (UTC)

08:35

Platform

Not applicable

File name

Amd64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6002.18255_none_e67894490116700a.manifest

File version

Not applicable

File size

7,427

Date (UTC)

05-May-2010

Time (UTC)

06:06

Platform

Not applicable

File name

Amd64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6002.22398_none_e6d9f2421a51cb9d.manifest

File version

Not applicable

File size

7,427

Date (UTC)

05-May-2010

Time (UTC)

06:24

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

3,593

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

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

File name

Ia64_1af6b4885a57bfa2ecbd6513ca2f7703_31bf3856ad364e35_6.0.6001.22685_none_3ce2864de3f3e8ca.manifest

File version

Not applicable

File size

703

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Ia64_3ca95220a799fc56d503c61783140983_31bf3856ad364e35_6.0.6002.22398_none_019d0b5a985071a7.manifest

File version

Not applicable

File size

703

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Ia64_7a0a58eede91c5594d3d4cefee7cd52a_31bf3856ad364e35_6.0.6001.18470_none_0703c0412af22ca2.manifest

File version

Not applicable

File size

703

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Ia64_a1016d5297983f28b0e79e4c383dd4fa_31bf3856ad364e35_6.0.6002.18255_none_b8badabaa5d68f34.manifest

File version

Not applicable

File size

703

Date (UTC)

05-May-2010

Time (UTC)

15:56

Platform

Not applicable

File name

Ia64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6001.18470_none_885a87a34ba56eb4.manifest

File version

Not applicable

File size

7,420

Date (UTC)

05-May-2010

Time (UTC)

08:16

Platform

Not applicable

File name

Ia64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6001.22685_none_88de57da64c6a649.manifest

File version

Not applicable

File size

7,420

Date (UTC)

05-May-2010

Time (UTC)

08:14

Platform

Not applicable

File name

Ia64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6002.18255_none_8a5b9cbb48b707d0.manifest

File version

Not applicable

File size

7,420

Date (UTC)

05-May-2010

Time (UTC)

07:15

Platform

Not applicable

File name

Ia64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.0.6002.22398_none_8abcfab461f26363.manifest

File version

Not applicable

File size

7,420

Date (UTC)

05-May-2010

Time (UTC)

06:36

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,748

Date (UTC)

05-May-2010

Time (UTC)

15:56

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 name

Update.mum

File version

Not applicable

File size

1,674

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

File name

X86_4b83b5afd378e95dbb3bcb2218fb5134_31bf3856ad364e35_6.1.7600.16586_none_ed53e38bce88d0e5.manifest

File version

Not applicable

File size

701

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

File name

X86_89434e79cdb2c066c3930c97b55c6019_31bf3856ad364e35_6.1.7600.20706_none_0b702233fab2e791.manifest

File version

Not applicable

File size

701

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

File name

X86_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.1.7600.16586_none_887be5c2acc1569b.manifest

File version

Not applicable

File size

3,962

Date (UTC)

04-May-2010

Time (UTC)

09:20

Platform

Not applicable

File name

X86_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.1.7600.20706_none_895c03d3c59e1404.manifest

File version

Not applicable

File size

3,962

Date (UTC)

04-May-2010

Time (UTC)

09:17

Platform

Not applicable

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

File name

Amd64_506b2872eef65981c299ea0e16c46b7b_31bf3856ad364e35_6.1.7600.20706_none_368642fbc4717a7a.manifest

File version

Not applicable

File size

705

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

File name

Amd64_ffb7fd6bc675466024662761d41e4c14_31bf3856ad364e35_6.1.7600.16586_none_5d6aae60212914c3.manifest

File version

Not applicable

File size

705

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

File name

Amd64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.1.7600.16586_none_e49a8146651ec7d1.manifest

File version

Not applicable

File size

3,966

Date (UTC)

04-May-2010

Time (UTC)

10:22

Platform

Not applicable

File name

Amd64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.1.7600.20706_none_e57a9f577dfb853a.manifest

File version

Not applicable

File size

3,966

Date (UTC)

04-May-2010

Time (UTC)

10:13

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,906

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

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

File name

Ia64_4eb907991550485b7a95e23cdc578e0d_31bf3856ad364e35_6.1.7600.16586_none_2382d6168e340f7d.manifest

File version

Not applicable

File size

703

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

File name

Ia64_8ea0b2fc9528d0eda270b5decf7690bf_31bf3856ad364e35_6.1.7600.20706_none_ef34e6b7d2483a63.manifest

File version

Not applicable

File size

703

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

File name

Ia64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.1.7600.16586_none_887d89b8acbf5f97.manifest

File version

Not applicable

File size

3,964

Date (UTC)

04-May-2010

Time (UTC)

10:09

Platform

Not applicable

File name

Ia64_microsoft-windows-smb10-minirdr_31bf3856ad364e35_6.1.7600.20706_none_895da7c9c59c1d00.manifest

File version

Not applicable

File size

3,964

Date (UTC)

04-May-2010

Time (UTC)

10:07

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,684

Date (UTC)

04-May-2010

Time (UTC)

12:48

Platform

Not applicable

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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