Microsoft KB Archive/913409

= A program that allocates a large block of contiguous memory may not start or may intermittently fail in Windows Server 2003 =

Article ID: 913409

Article Last Modified on 10/11/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Web Edition
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition
 * Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
 * Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
 * Microsoft Windows Server 2003, Datacenter x64 Edition
 * Microsoft Windows Server 2003, Enterprise x64 Edition
 * Microsoft Windows Server 2003, Standard x64 Edition

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SYMPTOMS
Consider the following scenario:
 * You have a program that allocates a large block of contiguous memory in Microsoft Windows Server 2003. For example, this program allocates a 1.5-gigabyte (GB) block of memory when the program starts or after it starts.
 * This program loads the Hnetcfg.dll library.

In this scenario, the program may intermittently not start. Or, after the program starts, you may experience intermittent program failures. If you troubleshoot these program failures, you may determine that they occur because the program could not successfully allocate the large block of contiguous memory.



CAUSE
This problem occurs because the Hnetcfg.dll library has an image base address of 5F270000. If the Hnetcfg.dll library is loaded at this address, you may experience memory fragmentation of the Windows user address space. You experience this fragmentation because the Hnetcfg.dll library is loaded at approximately 1.6 GB into the address space.



Service pack information
To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

Prerequisites
You must be running Microsoft Windows Server 2003 Service Pack 1 (SP1) to apply this hotfix.

Note x64-based versions of Windows Server 2003 include SP1.

Restart requirement
You must 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.

Windows Server 2003, Itanium-based versions


STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Microsoft Windows Server 2003 Service Pack 2.



MORE INFORMATION
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

Keywords: kbbug kbfix kbqfe kbpubtypekc kbhotfixserver kbwinserv2003presp2fix kbwinserv2003sp2fix KB913409

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