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A hotfix rollup is available for the .NET Framework 4 to fix some known issues in the .NET Framework remoting

A hotfix rollup that resolves a number of Microsoft .NET Framework remoting issues is available for the .NET Framework 4. 

This hotfix rollup includes the previous hotfixes that are described in the following Microsoft Knowledge Base (KB) articles:
939525 FIX: Error message in a .NET remoting application when you use IPv6 addresses: "A socket operation was attempted to an unreachable host"
929506 FIX: Error message when you post chunked HTTP POST data to a remoting server in the .NET Framework 2.0: "HTTP chunked encoding error found"
This hotfix rollup also fixes the following issue:

In a .NET Framework remoting application, you have a MarshalByRefObject object. This object contains a method that returns an IntPtr type. The object is passed across a process boundary. When the object is serialized, a SerializationException exception is thrown, and you receive the following error message:
Invalid type code in stream 'Invalid'
This issue occurs because the remoting code treats an IntPtr type as a primitive type when the CLR serializes the IntPtr. However, the remoting code later treats the IntPtr type as an invalid type when the Binary formatter serializes the IntPtr.

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 this specific problem. 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.

To download this hotfix from the MSDN Code Gallery, visit the following Microsoft website:

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 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:
 You can also download this hotfix by visiting the following Microsoft website:


To apply this hotfix, you must have the .NET Framework 4 installed.

Restart requirement

You must restart the computer after you install the hotfix.

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 Server 2003, of Windows XP, of Windows Vista, of Windows Server 2008, of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
For all supported x64-based versions of Windows Server 2003, of Windows XP, of Windows Vista, of Windows Server 2008, of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
For all supported IA-64-based versions of Windows Server 2003, of Windows XP, of Windows Vista, of Windows Server 2008, of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform

Article ID: 982638 - Last Review: 09/23/2010 18:19:00 - Revision: 4.0

Microsoft .NET Framework 4

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