FIX: Values that are received in unmanaged code may not be correct when managed code in a C++ application calls unmanaged code and passes values, the values received in the unmanaged code may not be correct in the .NET Framework 1.1 SP1

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Consider the following scenario. A C++ application is running on the Microsoft .NET Framework 1.1 Service Pack 1 (SP1). In the C++ application, managed code calls unmanaged code and passes values. In this scenario, the values that are received in the unmanaged code may be incorrect.
This problem may occur when managed code returns a 6-byte structure.

Note You do not experience this problem when managed code returns an 8-byte or 10-byte structure.
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it 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 Microsoft .NET Framework 1.1 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site: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 apply this hotifx, you must be running the Microsoft .NET Framework 1.1 SP1.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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.
File nameFile versionFile sizeDateTimePlatform
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information, 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

Article ID: 911205 - Last Review: 01/17/2015 12:36:12 - Revision: 2.0

  • Microsoft .NET Framework 1.1 Service Pack 1
  • kbnosurvey kbarchive kbwinserv2003sp2fix kbqfe KB911205