A returned path environment variable is truncated to 1,024 bytes on a Windows Server 2003-based computer (906469)


The information in this article applies to:

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

SYMPTOMS

When an application calls the CreateEnvironmentBlock function to retrieve the environment variables on a Microsoft Windows Server 2003-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.

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, we recommend 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 telephone 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 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
File nameFile versionFile sizeDateTimePlatform
Userenv.dll5.2.3790.2530790,01615-Sep-200504:49x86
Windows Server 2003, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Userenv.dll5.2.3790.410757,24815-Sep-200504:34x86
Windows Server 2003, x64-based versions
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
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
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

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Modification Type:MinorLast Reviewed:6/1/2006
Keywords:kbprb kbHotfixServer kbQFE KB906469 kbAudKnowledgeWorker kbAudEndUser
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