A "STOP 0xA" Error Message Occurs When You Use Routing and Remote Access with NAT and VPN

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This article was previously published under Q318437

SYMPTOMS

If you use the Routing and Remote Access feature of Windows 2000 and you also use virtual private networking (VPN) and network address translation (NAT) functionality on the same computer, you may receive the following error message:

STOP: 0x0000000a (0x00000098, 0x00000002, 0x00000001, 0x80464659

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CAUSE

If an IP packet that is sent through NAT is updated by NAT, the reference count for the routes is not updated correctly. The cleanup routine does not work because of the inaccurate reference count.

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RESOLUTION

Service Pack Information

To 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:

260910 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

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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 (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. The English version of this fix should have the following file attributes or later:

   Date         Time   Version        Size     File name
   --------------------------------------------------------
   19-Nov-2001  16:42  5.0.2195.4667  118,896  Afd.sys
   22-May-2002  17:24  5.0.2195.5823  313,232  Tcpip.sys
   30-Jul-2001  20:15  5.0.2195.3988   16,240  Tdi.sys
   22-May-2002  17:26  5.0.2195.4874  105,232  Msafd.dll
   22-May-2002  17:26  5.0.2195.4874   17,680  Wshtcpip.dll

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WORKAROUND

To work around this problem, move the NAT to a different server that does not accept VPN connections.

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STATUS

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.

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MORE INFORMATION

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:

265173 (http://support.microsoft.com/kb/265173/EN-US/ ) The Datacenter Program and Windows 2000 Datacenter Server Product

For 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:

296861 (http://support.microsoft.com/kb/296861/EN-US/ ) Use QChain.exe to Install Multiple Hotfixes with One Reboot

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