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An application that uses the EnableStatic method in the Win32_NetworkAdapterConfiguration class cannot set a static IP address for a network adapter on a Windows 7-based or Windows Server 2008 R2-based computer


View products that this article applies to.

Symptoms

Consider the following scenario:
  • You have a computer that is running Windows 7 or Windows Server 2008 R2.
  • You use an application that uses the EnableStatic method in the Win32_NetworkAdapterConfiguration class to programmatically set a static IP address for a network adapter.
In this scenario, the operation may regularly fail. For example, you use some virtual private networking (VPN) tools to programmatically set a static IP address for a network adapter. In this example, the operation fails.

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Cause

This issue occurs because the EnableStatic method may occasionally fail, and if the application does not capture the following error code, the operation fails:
NETCFG_E_NO_WRITE_LOCK (0x8004A024)

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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: Note 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 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 7 or a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

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

Registry information

To use the hotfix in this package, 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.

File information

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 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.
    VersionProductSR_LevelService branch
    6.1.760
    0.
    20xxx
    Windows 7 and Windows Server 2008 R2RTMLDR
    6.1.760
    1.
    21xxx
    Windows 7 and Windows Server 2008 R2SP1LDR
  • 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 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 nameFile versionFile sizeDateTime
Cimwin32.dll6.1.7600.209381,340,92802-Apr-201104:46
Cimwin32.dll6.1.7601.216961,342,97602-Apr-201104:23
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTime
Cimwin32.dll6.1.7600.209382,055,16802-Apr-201105:19
Cimwin32.dll6.1.7601.216962,058,75202-Apr-201105:09
For all supported IA-64-based versions of Windows Server 2008 R2
File nameFile versionFile sizeDateTime
Cimwin32.dll6.1.7600.209384,280,32002-Apr-201104:05
Cimwin32.dll6.1.7601.216964,280,32002-Apr-201104:10

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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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More Information

For 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

For more information about the same issue that occurs on the Windows Vista-based computer, click the following article number to view the article in the Microsoft Knowledge Base:
950134 Description of on a Windows Vista-based computer, an application that uses the EnableStatic method of the Win32_NetworkAdapterConfiguration class may not always set a static IP address for a network adapter
For more information about the EnableStatic method, vista the following Microsoft Developer Network (MSDN) website:
General information about the EnableStatic method

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 nameX86_442b95e5134f4d4eabe07365ef6e099b_31bf3856ad364e35_6.1.7600.20938_none_8d0890bda79c2953.manifest
File versionNot applicable
File size719
Date (UTC)05-Apr-2011
Time (UTC)23:48
File nameX86_a94bda832d62795f901a825b4744f000_31bf3856ad364e35_6.1.7601.21696_none_8557b9b079da4094.manifest
File versionNot applicable
File size719
Date (UTC)05-Apr-2011
Time (UTC)23:48
File nameX86_microsoft-windows-w..ovider-cimwin32-dll_31bf3856ad364e35_6.1.7600.20938_none_d043fe178055b2d3.manifest
File versionNot applicable
File size5,224
Date (UTC)02-Apr-2011
Time (UTC)05:18
File nameX86_microsoft-windows-w..ovider-cimwin32-dll_31bf3856ad364e35_6.1.7601.21696_none_d1e7791b7dae9690.manifest
File versionNot applicable
File size5,224
Date (UTC)02-Apr-2011
Time (UTC)04:53
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameAmd64_0cfabdc498d9e56994a042ad7d3027da_31bf3856ad364e35_6.1.7601.21696_none_edcbdbca53ac4a5f.manifest
File versionNot applicable
File size723
Date (UTC)05-Apr-2011
Time (UTC)23:48
File nameAmd64_ba86f886057c7a2c60e7e0099c343daa_31bf3856ad364e35_6.1.7600.20938_none_0e0d5be400abb12a.manifest
File versionNot applicable
File size723
Date (UTC)05-Apr-2011
Time (UTC)23:48
File nameAmd64_microsoft-windows-w..ovider-cimwin32-dll_31bf3856ad364e35_6.1.7600.20938_none_2c62999b38b32409.manifest
File versionNot applicable
File size5,228
Date (UTC)02-Apr-2011
Time (UTC)06:07
File nameAmd64_microsoft-windows-w..ovider-cimwin32-dll_31bf3856ad364e35_6.1.7601.21696_none_2e06149f360c07c6.manifest
File versionNot applicable
File size5,228
Date (UTC)02-Apr-2011
Time (UTC)05:46
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File nameIa64_41fd702d779f608441725529fc0f72f3_31bf3856ad364e35_6.1.7600.20938_none_a901158818565232.manifest
File versionNot applicable
File size721
Date (UTC)05-Apr-2011
Time (UTC)23:48
File nameIa64_ece9f53bb6080945eee6e105a3857353_31bf3856ad364e35_6.1.7601.21696_none_0facd514808e69af.manifest
File versionNot applicable
File size721
Date (UTC)05-Apr-2011
Time (UTC)23:48
File nameIa64_microsoft-windows-w..ovider-cimwin32-dll_31bf3856ad364e35_6.1.7600.20938_none_d045a20d8053bbcf.manifest
File versionNot applicable
File size5,226
Date (UTC)02-Apr-2011
Time (UTC)06:07
File nameIa64_microsoft-windows-w..ovider-cimwin32-dll_31bf3856ad364e35_6.1.7601.21696_none_d1e91d117dac9f8c.manifest
File versionNot applicable
File size5,226
Date (UTC)02-Apr-2011
Time (UTC)05:47

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Keywords: kb, kbautohotfix, kbqfe, kbhotfixserver, kbfix, kbsurveynew, kbexpertiseinter

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Article Info
Article ID : 2530185
Revision : 2
Created on : 9/21/2018
Published on : 9/21/2018
Exists online : False
Views : 311