FIX: The POSIX subsystem process, Korn shell scripts, and Interix applications may crash after you install Windows Server 2003 Service Pack 1 on a computer that is running Windows Services for UNIX 3.5

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Article ID: 899522 - View products that this article applies to.
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Symptoms

After you install Microsoft Windows Server 2003 Service Pack 1 (SP1) on a computer that is running Microsoft Windows Services for UNIX 3.5, you may experience all the following symptoms:
  • The Portable Operating System Interface for UNIX (POSIX) subsystem process (Psxss.exe) may crash.
  • Korn shell scripts may no longer run, or Korn shell scripts may crash when you run them.
  • Microsoft Interix applications may crash.

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.

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, submit a request to 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 to apply this hotfix.

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.
   Date         Time   Version      Size     File name
   ----------------------------------------------------
   28-May-2005  07:01  8.0.1969.32  130,048  Posix.exe        
   28-May-2005  07:01  8.0.1969.32  345,088  Psxdll.dll       
   28-May-2005  07:01  8.0.1969.32  104,448  Psxrun.exe       
   28-May-2005  07:01  8.0.1969.32  765,440  Psxss.exe

Status

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

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

Properties

Article ID: 899522 - Last Review: June 20, 2014 - Revision: 3.0
Applies to
  • Microsoft Windows Services for UNIX 3.5
  • Microsoft Windows Server 2003 Service Pack 1, when used with:
    • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
    • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
Keywords: 
kbautohotfix kbbug kbfix kbwinserv2003presp1fix kbqfe kbhotfixserver KB899522

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