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WCF services that are hosted by computers together with a NLB fail in .NET Framework 3.5 SP1 or in .NET Framework 4

Symptoms
Consider the following scenario:
  • You use Network Load Balancer (NLB) to route messages for a set of computers that host Windows Communication Foundation (WCF) services.These services use secure sessions by setting the authenticationMode attribute to "SecureConversation."
  • You try to add Webheaders to messages in the application layer. After you do this, the NLB can use the Webheaders to route messages.
In this scenario, you cannot add WebHeaders to messages that are used to negotiate the session. Therefore, the two types of messages are routed to different host computers. In this situation, any cached session data in the host computer is unavailable and the WCF services fail.
Resolution
 .NET Framework 4

To resolve this problem in the .NET Framework 4, install the hotfix that is described in the following Microsoft Knowledge Base (KB) article.

2532942 Hotfix rollup package 2532942 is available for Windows Communication Foundation for the .NET Framework 4

.NET Framework 3.5 Service Pack 1 (SP1)

To resolve this problem in the .NET Framework 3.5 SP1, install the hotfix that is described in this article.

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, 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 website:

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.

Note
The hotfix does not resolve the problem when you use secure conversation cookie mode.

Prerequisites

You must have the .NET Framework 3.5 Service Pack 1 (SP1) installed to apply this hotfix.

Restart requirement

You do not have to restart the computer after you apply the hotfix if the affected files are not being used.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

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.
For all supported x86-based versions of Windows Vista SP2 and of Windows Server 2008 SP2
File nameFile versionFile sizeDateTime
Smdiagnostics.dll3.0.4506.4552110,59231-May-201010:57
System.servicemodel.washosting.dll3.0.4506.455232,76831-May-201010:57
Servicemodel.mofNot Applicable84,98509-Mar-201011:02
Servicemodel.mof.uninstallNot Applicable89603-Apr-200921:16
Servicemonikersupport.dll3.0.4506.455217,25631-May-201010:57
System.identitymodel.dll3.0.4506.4552442,36831-May-201010:56
System.runtime.serialization.dll3.0.4506.4552970,75231-May-201010:56
System.servicemodel.dll3.0.4506.45525,988,35231-May-201010:56
For all supported x64-based versions of Windows Vista SP2 and of Windows Server 2008 SP2
File nameFile versionFile sizeDateTimePlatform
Servicemodel.mofNot Applicable84,98509-Mar-201011:01Not Applicable
Servicemodel.mof.uninstallNot Applicable89603-Apr-200920:55Not Applicable
Servicemonikersupport.dll3.0.4506.455219,30431-May-201010:57x64
Smdiagnostics.dll3.0.4506.455294,20831-May-201010:57x86
System.identitymodel.dll3.0.4506.4552401,40831-May-201010:56x86
System.runtime.serialization.dll3.0.4506.4552847,87231-May-201010:56x86
System.servicemodel.washosting.dll3.0.4506.455232,76831-May-201010:57x86
System.servicemodel.dll3.0.4506.45525,328,89631-May-201010:56x86
For all supported IA-64-based versions of Windows Vista SP2 and of Windows Server 2008 SP2
File nameFile versionFile sizeDateTimePlatform
Servicemodel.mofNot Applicable84,98509-Mar-201011:02Not Applicable
Servicemodel.mof.uninstallNot Applicable89603-Apr-200920:57Not Applicable
Servicemonikersupport.dll3.0.4506.455233,64031-May-201010:55IA-64
Smdiagnostics.dll3.0.4506.455294,20831-May-201010:55x86
System.identitymodel.dll3.0.4506.4552401,40831-May-201010:55x86
System.runtime.serialization.dll3.0.4506.4552847,87231-May-201010:55x86
System.servicemodel.washosting.dll3.0.4506.455232,76831-May-201010:56x86
System.servicemodel.dll3.0.4506.45525,328,89631-May-201010:55x86
For all supported x86-based versions of Windows 7
File nameFile versionFile sizeDateTimePlatform
Smdiagnostics.dll3.0.4506.5027110,59203-Jun-201021:58x86
Smsvchost.exe3.0.4506.5027128,84803-Jun-201021:58x86
System.identitymodel.dll3.0.4506.5027442,36803-Jun-201021:58x86
Servicemonikersupport.dll3.0.4506.502717,25603-Jun-201021:58x86
System.runtime.serialization.dll3.0.4506.5027970,75203-Jun-201021:58x86
System.servicemodel.dll3.0.4506.50275,984,25603-Jun-201021:58x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Servicemonikersupport.dll3.0.4506.502719,30402-Jun-201022:27x64
Smdiagnostics.dll3.0.4506.502794,20802-Jun-201022:27x64
Smsvchost.exe3.0.4506.5027116,56002-Jun-201022:27x64
System.identitymodel.dll3.0.4506.5027401,40802-Jun-201022:27x64
System.runtime.serialization.dll3.0.4506.5027847,87202-Jun-201022:27x64
System.servicemodel.dll3.0.4506.50275,324,80002-Jun-201022:27x64
For all supported IA-64-based versions of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Servicemonikersupport.dll3.0.4506.502733,64002-Jun-201022:23IA-64
Smdiagnostics.dll3.0.4506.502794,20802-Jun-201022:23IA-64
Smsvchost.exe3.0.4506.5027116,56002-Jun-201022:23IA-64
System.identitymodel.dll3.0.4506.5027401,40802-Jun-201022:23IA-64
System.runtime.serialization.dll3.0.4506.5027847,87202-Jun-201022:23IA-64
System.servicemodel.dll3.0.4506.50275,324,80002-Jun-201022:23IA-64
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:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Properties

Article ID: 982867 - Last Review: 05/19/2015 07:36:00 - Revision: 4.0

Microsoft .NET Framework 3.5 Service Pack 1, Microsoft .NET Framework 4

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