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Symptoms

Consider the following scenario:

  • You have the Simple Network Management Protocol (SNMP) service installed on a computer that is running Windows 8, Windows Server 2012, Windows 7, Windows Server 2008 R2, Windows Vista, or Windows Server 2008.

  • The computer has a network adapter that has multiple IP version 4 (IPv4) addresses assigned.

  • An SNMP request is sent to one of the IPv4 addresses on the computer.

In this scenario, the source IP address that is in the SNMP response is not the same IP address that received the SNMP request. More specifically, the source IP address is replaced by a random IP address on the computer.

Note This issue makes SNMP monitoring unreliable on the computer that has multiple IP addresses. 

Cause

This issue occurs because SNMP does not use the control data when the WSARecvMsg function is called while sending back the SNMP response.

For more information about the WSARecvMsg function and the control data, go to the following Microsoft website:

General information about the WSARecvMsg function

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

To apply this hotfix, you must be running one of the following operating systems:

  • Windows 8

  • Windows Server 2012

  • Windows Vista Service Pack 2 (SP2)

  • Windows Server 2008 Service Pack 2 (SP2)

  • Windows 7

  • Windows 7 Service Pack 1 (SP1)

  • Windows Server 2008 R2

  • Windows Server 2008 R2 Service Pack 1 (SP1)

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:

935791How 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:

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

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You must 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 and Windows Server 2012 file information notesImportant Windows 8 hotfixes 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 files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.2.920 0.20 xxx

    Windows 8 and Windows Server 2012

    RTM

    LDR

  • 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

Snmp.exe

6.2.9200.16465

45,056

27-Nov-2012

04:20

x86

Snmp.exe

6.2.9200.20569

45,056

27-Nov-2012

04:23

x86

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

File name

File version

File size

Date

Time

Platform

Snmp.exe

6.2.9200.16465

50,688

27-Nov-2012

04:20

x64

Snmp.exe

6.2.9200.20569

50,688

27-Nov-2012

04:27

x64

Snmp.exe

6.2.9200.16465

45,056

27-Nov-2012

04:20

x86

Snmp.exe

6.2.9200.20569

45,056

27-Nov-2012

04:23

x86


Windows Vista and Windows Server 2008 file information notesImportant 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
    2.
    22xxx

    Windows Vista and Windows Server 2008

    SP2

    LDR

  • 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 Vista and for Windows Server 2008" 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 Vista and of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Snmp.exe

6.0.6002.22987

47,616

27-Nov-2012

01:39

x86

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

File name

File version

File size

Date

Time

Platform

Snmp.exe

6.0.6002.22987

50,176

27-Nov-2012

02:21

x64

Snmp.exe

6.0.6002.22987

47,616

27-Nov-2012

01:39

x86

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

File name

File version

File size

Date

Time

Platform

Snmp.exe

6.0.6002.22987

116,736

27-Nov-2012

01:26

IA-64

Snmp.exe

6.0.6002.22987

47,616

27-Nov-2012

01:39

x86

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 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

    Milestone

    Service branch

    6.1.760
    0.17xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    GDR

    6.1.760
    0.21xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.17xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    GDR

    6.1.760
    1.22xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • 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 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

Snmp.exe

6.1.7600.17176

47,616

24-Nov-2012

04:56

x86

Snmp.exe

6.1.7600.21381

47,616

24-Nov-2012

05:07

x86

Snmp.exe

6.1.7601.18011

47,616

24-Nov-2012

04:45

x86

Snmp.exe

6.1.7601.22173

47,616

24-Nov-2012

06:00

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

Snmp.exe

6.1.7600.17176

49,664

24-Nov-2012

05:49

x64

Snmp.exe

6.1.7600.21381

50,176

24-Nov-2012

05:51

x64

Snmp.exe

6.1.7601.18011

49,664

24-Nov-2012

05:52

x64

Snmp.exe

6.1.7601.22173

50,176

24-Nov-2012

05:56

x64

Snmp.exe

6.1.7600.17176

47,616

24-Nov-2012

04:56

x86

Snmp.exe

6.1.7600.21381

47,616

24-Nov-2012

05:07

x86

Snmp.exe

6.1.7601.18011

47,616

24-Nov-2012

04:45

x86

Snmp.exe

6.1.7601.22173

47,616

24-Nov-2012

06:00

x86

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

File name

File version

File size

Date

Time

Platform

Snmp.exe

6.1.7600.17176

116,224

24-Nov-2012

04:49

IA-64

Snmp.exe

6.1.7600.21381

116,736

24-Nov-2012

04:43

IA-64

Snmp.exe

6.1.7601.18011

116,736

24-Nov-2012

04:32

IA-64

Snmp.exe

6.1.7601.22173

116,736

24-Nov-2012

04:55

IA-64

Snmp.exe

6.1.7600.17176

47,616

24-Nov-2012

04:56

x86

Snmp.exe

6.1.7600.21381

47,616

24-Nov-2012

05:07

x86

Snmp.exe

6.1.7601.18011

47,616

24-Nov-2012

04:45

x86

Snmp.exe

6.1.7601.22173

47,616

24-Nov-2012

06:00

x86


Status

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

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

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