Microsoft KB Archive/944925

= FIX: You may receive an exception error message when you serialize an ObjRef object between the client computer and the server computer after you install the MS07-040 update on only the client computer =

Article ID: 944925

Article Last Modified on 12/26/2007

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APPLIES TO


 * Microsoft .NET Framework 1.1

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SYMPTOMS
Consider the following scenario. You install the MS07-040 update on only the client computer of a client/server pair. Then, in an application that is built on the Microsoft .NET Framework 1.1, you serialize an ObjRef object between the client computer and the server computer. In this scenario, you may receive the following exception error message:

System.Runtime.Serialization.SerializationException: Type missing for member of type Object '_ContextID'.



CAUSE
This problem occurs because the serialization code is changed after you apply the MS07-040 update.



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 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.

Prerequisites
To apply this hotfix, you must have the .NET Framework 1.1 and the MS07-040 update installed.

Restart requirement
You do not have to restart the computer after you apply this 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.



WORKAROUND
To work around this problem, apply the MS07-040 update to both the client computer and the server computer.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information about the ObjRef class, visit the following Microsoft Developer Network (MSDN) Web site:

http://msdn2.microsoft.com/en-us/library/system.runtime.remoting.objref(VS.71).aspx

For more information about the MS07-040 update, click the following article numbers to view the articles in the Microsoft Knowledge Base:

928366 Description of the security update for the .NET Framework 1.1 Service Pack 1 for Windows XP and Windows 2000: July 10, 2007

931212 MS07-040: Vulnerabilities in the .NET Framework could allow remote code execution

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

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

914460 FIX: You receive an exception when you try to deserialize a Dataset class in a .NET Framework 1.1-based server application when the Dataset class is serialized in a .NET Framework 2.0-based client application

Keywords: kbexpertiseadvanced kbfix kbpubtypekc kbqfe kbhotfixserver KB944925

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