FIX: A hotfix is available that makes the SecurityMessageProperty.OutgoingSupportingToken property public in the Microsoft .NET Framework 3.5 Service Pack 1

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Article ID: 976394 - View products that this article applies to.
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INTRODUCTION

In the Microsoft .NET Framework 3.5, a random RSA key is created for each issued token request to authenticate Windows Communication Foundation (WCF) services. However, some applications do not require a unique RSA key per issued token. Instead, these applications require a unique RSA key per application domain. Additionally, every time that an RSA key is generated, the performance of the application is adversely affected. This hotfix lets the same RSA key be reused. This provides a marginal improvement in performance.

This hotfix makes the SecurityMessageProperty.OutgoingSupportingToken property public in the Microsoft .NET Framework 3.5 Service Pack 1 (SP1). This lets you use a shared RSA key in an application domain. For example, this lets a Web page that consumes multiple WCF services safely use the same RSA key. Web pages that consume multiple WCF services are common in SharePoint services.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next version of the Microsoft .NET Framework that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

To download this hotfix from the MSDN Code Gallery, visit the following Microsoft Web site:
http://code.msdn.microsoft.com/KB976394
Note The MSDN Code Gallery displays the languages for which the hotfix is available. If you do not see your language listed, it is because the Code Gallery resource page is not available for that language.

Note Alternatively, you can download this hotfix rollup from the following Microsoft Connect Web site:
http://connect.microsoft.com/VisualStudio/Downloads/DownloadDetails.aspx?DownloadID=23807
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

x86 versions of Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
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File nameFile versionFile sizeDateTime
Smdiagnostics.dll3.0.4506.4429110,59202-Nov- 200907:54
Servicemonikersupport.dll3.0.4506.442917,24002-Nov- 200907:54
System.identitymodel.dll3.0.4506.4429434,17602-Nov- 200907:53
System.runtime.serialization.dll3.0.4506.4429970,75202-Nov- 200907:54
System.servicemodel.dll3.0.4506.44295,943,29602-Nov-200907:54
x64 versions of Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Servicemonikersupport.dll3.0.4506.442919,30402-Nov- 200907:53x64
Smdiagnostics.dll3.0.4506.442994,20802-Nov- 200907:53x64
System.identitymodel.dll3.0.4506.4429393,21602-Nov- 200907:53x64
System.runtime.serialization.dll3.0.4506.4429847,87202-Nov- 200907:53x64
System.servicemodel.dll3.0.4506.44295,279,74402-Nov- 200907:53x64
Itanium versions of Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Servicemonikersupport.dll3.0.4506.442933,62402-Nov- 200907:54IA-64
Smdiagnostics.dll3.0.4506.442994,20802-Nov- 200907:54IA-64
System.identitymodel.dll3.0.4506.4429393,21602-Nov- 200907:53IA-64
System.runtime.serialization.dll3.0.4506.4429847,87202-Nov- 200907:53IA-64
System.servicemodel.dll3.0.4506.44295,279,74402-Nov- 200907:53IA-64

Prerequisites

You must have .NET Framework 3.5 SP1 installed to apply this hotfix.

Restart information

You do not have to restart the computer after you install this hotfix if there is no .NET Framework instance currently being used.

STATUS

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

Properties

Article ID: 976394 - Last Review: October 7, 2011 - Revision: 3.0
APPLIES TO
  • Microsoft .NET Framework 3.5 Service Pack 1, when used with:
    • Windows Server 2008 Service Pack 2
    • Windows Server 2008 Datacenter without Hyper-V
    • Windows Server 2008 Enterprise without Hyper-V
    • Windows Server 2008 for Itanium-Based Systems
    • Windows Server 2008 Standard without Hyper-V
    • Windows Server 2008 Datacenter
    • Windows Server 2008 Enterprise
    • Windows Server 2008 Standard
    • Windows Vista Service Pack 2
    • Windows Vista Enterprise 64-bit Edition
    • Windows Vista Ultimate 64-bit Edition
    • Windows Vista Business
    • Windows Vista Business 64-bit Edition
    • Windows Vista Business N
    • Windows Vista Business N 64-bit Edition
    • Windows Vista Enterprise
    • Windows Vista Ultimate
Keywords: 
kbfix kbbug kbexpertiseinter kbsurveynew kbqfe KB976394

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