FIX: A .NET Framework 3.0-based WCF service may crash with a System.ServiceModel.CommunicationException exception if the service uses the netTcpBinding binding

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that 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

You must have the Microsoft .NET Framework 3.5 Service Pack 1 (SP1) installed on one of the following Windows operating systems to apply this hotfix:

• Windows Vista Service Pack 2 (SP2)
• Windows Server 2008 Service Pack 2 (SP2)
• Windows 7 Service Pack 1 (SP1)
• 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: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:For more information about how to obtain Service Pack 1 for Windows 7 or for Windows Server 2008 R2, click the following article number to view the article in the Microsoft Knowledge Base:

Restart information

You may have to restart the computer after you apply this hotfix if any affected files are being used. We recommend that you exit all .NET Framework applications before you apply this hotfix to avoid having to restart the computer.

Replacement information

This hotfix does not replace a previously released hotfix.

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

For all supported x64-based versions of Windows Vista SP2 and of Windows Server 2008 SP2

For all supported IA-64-based versions of Windows Server 2008 SP2

For all supported x86-based versions of Windows 7 SP1

For all supported x64-based versions of Windows 7 SP1 and Windows Server 2008 R2 SP1

For all supported IA-64-based versions of Windows Server 2008 R2 SP1