Programs that use the _read function to access very large files do not receive the correct data in Windows Server 2003

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Article ID: 838752 - View products that this article applies to.
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SYMPTOMS

When a program uses the _read function to access files that are larger than 4 gigabytes (GB), the program may not receive the correct data. The _read function is part of the Microsoft Visual C++ run-time library (Msvcrt.dll).

RESOLUTION

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.

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 Web site:
http://support.microsoft.com/contactus/?ws=support
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

No prerequisites are required.

Restart requirement

You must restart your 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) 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 tool in Control Panel.
   Date         Time   Version       Size     File name    Platform
   ----------------------------------------------------------------
   23-Mar-2004  18:36  7.0.3790.143  327,680  Msvcrt.dll        x86
   23-Mar-2004  10:31  7.0.3790.143  894,976  Msvcrt.dll      IA-64
   23-Mar-2004  09:36  7.0.3790.143  327,680  Wmsvcrt.dll     IA-64

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.

MORE INFORMATION

For additional information about the new file naming schema for Microsoft Windows software update packages, click the following article number to view the article in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages
For additional information about the terminology that is used in this article, 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

REFERENCES

For a Windows 2000 version of this article, click the following article number to view the article in the Microsoft Knowledge Base:
838751 Programs that use the _read function to access very large files do not receive the correct data in Windows 2000
For more information about the _read function, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/wyssk1bs(vs.71).aspx

Properties

Article ID: 838752 - Last Review: July 24, 2007 - Revision: 5.12
APPLIES TO
  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbwinserv2003presp1fix kbbug kbfix KB838752

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