A returned path environment variable is truncated to 1,024 bytes on a Windows Server 2003-based or Windows XP-based computer

Article ID: 906469 - View products that this article applies to.
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SYMPTOMS

When an application calls the CreateEnvironmentBlock function to retrieve the environment variables on a Microsoft Windows Server 2003-based or Microsoft Windows XP-based computer, the returned path environment variable is truncated to 1,024 bytes. This behavior occurs even though the maximum size of an environment variable is 2,048 bytes. This problem prevents the application from obtaining the correct environment variable.
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RESOLUTION

Windows Server 2003 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
(http://support.microsoft.com/kb/889100/ )
How to obtain the latest service pack for Windows Server 2003

Windows Server 2003 hotfix information

Prerequisites

No prerequisites are required.

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 tool in Control Panel.
Windows Server 2003 with Service Pack 1 (SP1), x86-based versions
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File nameFile versionFile sizeDateTimePlatform
Userenv.dll5.2.3790.2530790,01615-Sep-200504:49x86
Windows Server 2003, x86-based versions
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File nameFile versionFile sizeDateTimePlatform
Userenv.dll5.2.3790.410757,24815-Sep-200504:34x86
Windows Server 2003, x64-based versions
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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Userenv.dll5.2.3790.25301,069,56814-Sep-200514:14x64SP1Not Applicable
Wuserenv.dll5.2.3790.2530790,01614-Sep-200514:14x86SP1WOW
Windows Server 2003 with SP1, Itanium-based versions
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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Userenv.dll5.2.3790.25301,564,67214-Sep-200514:14IA-64SP1Not Applicable
Wuserenv.dll5.2.3790.2530790,01614-Sep-200514:14x86SP1WOW
Windows Server 2003, Itanium-based versions
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File nameFile versionFile sizeDateTimePlatformService branch
Userenv.dll5.2.3790.4101,546,75214-Sep-200514:14IA-64Not Applicable
Wuserenv.dll5.2.3790.410757,24814-Sep-200514:14x86WOW

Windows XP 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
(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 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.
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Userenv.dll5.1.2600.2872724,48022-Mar-200604:07x86
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STATUS

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

Article ID: 906469 - Last Review: October 11, 2007 - Revision: 4.3
APPLIES TO
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows XP Service Pack 2
Keywords: 
kbautohotfix kbwinserv2003sp2fix kbprb kbhotfixserver kbqfe KB906469
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