You receive a "STOP: 0x000000D1" error message on a computer that is running Windows XP with Service Pack 1 or Windows XP with Service Pack 2


Consider the following scenario:
  • You are using a computer that is running Microsoft Windows XP with Service Pack 1 (SP1) or Windows XP with Service Pack 2 (SP2).
  • A program on the computer tries to connect to a Loopback adaptor IP address other than For example, the program may try to connect to IP address
When the program tries to connect to the IP address, you may receive the following error message for the Tcpip.sys driver:


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: 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.


There are no prerequisites for 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    Service Pack
02-Sep-2005 00:09 5.1.2600.1741 340,480 Tcpip.sys SP1
02-Sep-2005 00:04 5.1.2600.2752 360,576 Tcpip.sys SP2
01-Sep-2005 23:41 5.1.2600.2752 30,720 Arpidfix.exe SP2


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

Identyfikator artykułu: 906882 — ostatni przegląd: 09.10.2011 — zmiana: 1