Programs that use the _read function to access very large files do not receive the correct data in Windows Server 2003 (838752)


The information in this article applies to:

  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Server 2003, Standard Edition
  • Microsoft Windows Server 2003, Enterprise Edition

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 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, Microsoft recommends that you wait for the next Windows Server 2003 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 phone 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

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://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt__read.asp

Modification Type:MinorLast Reviewed:6/1/2006
Keywords:kbQFE kbHotfixServer kbWinServ2003preSP1fix kbBug kbfix KB838752 kbAudITPRO
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