Stop error code 0x0000001E (KMODE_EXCEPTION_NOT_HANDLED) error occurs in Windows 2000 Server

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Microsoft Windows 2000 Server stops unexpectedly, and you receive an error message that is similar to the following:
STOP: 0x0000001E (parameter, parameter, parameter, parameter)KMODE_EXCEPTION_NOT_HANDLED
This problem may occur when the Local Procedure Call (LPC) server process receives LPC requests from client computers. The NtReplyWaitReceivePort function calls the LpcpFreeToPortZone parameter to free the Local Procedure Call(LPC) message. If the LPC message has not been initialized, the NtReplyWaitReceivePort function mistakenly tries to free the ClientPort object.

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: 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.


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   --------------------------------------------------------------   10-Feb-2004  19:47  5.0.2195.6897      30,160  Mountmgr.sys   15-May-2004  01:44  5.0.2195.6929   1,701,312  Ntkrnlmp.exe        15-May-2004  01:45  5.0.2195.6929   1,700,992  Ntkrnlpa.exe        15-May-2004  01:45  5.0.2195.6929   1,722,624  Ntkrpamp.exe        15-May-2004  01:44  5.0.2195.6929   1,678,144  Ntoskrnl.exe        17-May-2004  17:58                      8,534
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages
824684 Description of the standard terminology that is used to describe Microsoft software updates

Article ID: 841933 - Last Review: 11/02/2013 16:56:00 - Revision: 4.0

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • kbnosurvey kbarchive kbautohotfix kbqfe kbhotfixserver kbbug kbfix kbwin2000presp5fix KB841933