How to obtain help and support for this security updateHelp installing updates: Support for Microsoft Update
Security solutions for IT professionals: TechNet security troubleshooting and support
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Local support based on your region and country: International support
Known issues with this security update
- In certain situations on computers that are running Windows Vista Service Pack 2 (SP2) or Windows Server 2008 SP2, you may be reoffered this security update, even though the update is already installed correctly. This is a detection issue only, and you do not have to reinstall this security update if it is already installed.
To work around this issue, install update 982525. For more information, click the following article number to view the article in the Microsoft Knowledge Base:982525 An update rollup is available for the .NET Framework 3.5 SP1 in Windows Vista SP2 and in Windows Server 2008 SP2Resolution
This detection issue was resolved in the current revision of this security update. That revision was released February 12, 2013.
Note for Microsoft Windows Server Update Services (WSUS) server administrators We recommend that WSUS administrators sync their WSUS servers with Microsoft Update, approve the new revision of security update 2742597, and decline the old version of security update 2742597 if their server is not set for automatic Revision to Updates.
Download informationThis update is available for download from the Microsoft Download Center:
PrerequisitesTo install this update, you must have Windows Installer 3.1 or a later version installed on the computer. To obtain the latest version of Windows Installer, go to the following Microsoft website:
Command-line switches for this updateFor information about the various command-line switches that are supported by this update, go to the following Microsoft Developer Network (MSDN) website:
Restart informationThis update does not require a system restart after you apply it unless files that are being updated are locked or being used.
Update replacement informationThis update replaces the following update:
2656370 MS12-025: Description of the security update for the .NET Framework 1.1 Service Pack 1 on Windows XP, Windows Server 2003 64-bit Edition, Windows Server 2003 Itanium Edition, Windows Vista, and Windows Server 2008: April 10, 2012
Update removal informationNote We do not recommend that you remove any security update.
To remove this update, use the Add or Remove Programs item or use the Programs and Features item in Control Panel.