Article ID: 326926 - View products that this article applies to.
This article was previously published under Q326926
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Host routes may be dynamically added to your Windows 2000 routing table but may not ever be removed. The following registry key may have a EnablePMTUDiscover value of zero:
A host route is added to the Windows 2000 routing table if an ICMP redirect is received from the default gateway. Windows 2000 typically removes the host route after 10 minutes. However, if EnablePMTUDiscover has a value of zero, Windows 2000 never removes the host routes.
Service Pack InformationTo resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Hotfix InformationA 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:
Date Time Version Size File name ----------------------------------------------------------- 19-Nov-2001 20:42 5.0.2195.4667 118,896 Afd.sys 23-Jul-2002 18:17 5.0.2195.4874 105,232 Msafd.dll 21-Jun-2002 14:09 126.96.36.199 3,584 Spmsg.dll 21-Jun-2002 14:10 188.8.131.52 44,544 Spuninst.exe 13-Jun-2001 02:05 5.0.2195.3727 3,856 Svcpack1.dll 23-Jul-2002 18:08 5.0.2195.5964 313,200 Tcpip.sys 31-Jul-2001 00:15 5.0.2195.3988 16,240 Tdi.sys 23-Jul-2002 18:17 5.0.2195.4874 17,680 Wshtcpip.dll 21-Jun-2002 14:10 184.108.40.206 10,240 Spcustom.dll
After you apply this hotfix, Windows 2000 deletes the host routes after 10 minutes.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/265173/EN-US/ )The Datacenter Program and Windows 2000 Datacenter Server Product
296861For additional information about ICMP redirects, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/296861/EN-US/ )Use QChain.exe to Install Multiple Hotfixes with One Reboot
(http://support.microsoft.com/kb/195686/EN-US/ )Explanation of ICMP Redirect Behavior
Article ID: 326926 - Last Review: October 26, 2013 - Revision: 3.7
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