"Stop 0x00000044" error message on a Windows 2000-based computer that uses a Gigabit network adapter

This article has been archived. It is offered "as is" and will no longer be updated.
If you are running Microsoft Gateway Service for NetWare or Microsoft Client Service for NetWare on a Microsoft Windows 2000-based computer that has a Gigabit network adapter installed, you may receive an error message that is similar to the following:
Stop 0x00000044 (0x86c72e68, 0x00000cca, 0x00000000, 0x00000000)
This problem occurs if the Client Service for NetWare redirector (Nwrdr.sys) incorrectly completes a pending I/O request packet (IRP) request. This problem may occur when the following conditions are true:
  • The network is experiencing heavy traffic.
  • An error occurs during processing of the Read IRP request.

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.


This hotfix requires either Windows 2000 Service Pack 3 (SP3) or Windows 2000 Service Pack 4 (SP4).

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 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-----------------------------------------------------06-Sep-2004  05:06  5.0.2195.6972  161,072  Nwrdr.sys
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 about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915 New naming schema for Microsoft Windows hotfix packages
For additional information about terminology that is used to describe Microsoft software updates, 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
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
fix w2k

Article ID: 867774 - Last Review: 10/26/2013 13:13:00 - Revision: 3.0

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
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