Error message on a Windows Server 2003 Service Pack 1-based computer that is configured to use the Network Address Translation (NAT) functionality: "STOP: 0x000000D1 (parameter1 , 0x00000002, 0x00000000, 0xf27b4e8e)"

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SYMPTOMS

On a Microsoft Windows Server 2003 Service Pack 1 (SP1)-based computer that has the Routing and Remote Access service enabled and configured to use the Network Address Translation (NAT) functionality. The Windows Server 2003 SP1-based computer is in a high load Windows Server 2003 environment therefore, you may experience any one of the following symptoms:

Your computer automatically restarts.
After you log on, you receive the following error message:
Microsoft Windows
The system has recovered from a serious error.
A log of this error has been created.
Please tell Microsoft about this problem.
We have created an error report that you can send to help us improve Microsoft Windows. We will treat this report as confidential and anonymous.
To see what data this error report contains, click here .
If the error message still appears and if you want to see the data that the error report contains, click the click here link at the bottom of the message box. You then see error signature information that may be similar to:
```
BCCode : 000000D1 BCP1 : parameter1 BCP2 : 0x00000002 BCP3 : 0x00000000 BCP4 : 0xf27b4e8e OSVer : 5_2_3718 SP : 0_0 Product : 272_3
```
You receive the following "Stop" error message on a blue screen:
A problem has been detected and Windows has been shut down to prevent damage to your computer...
Technical information:

*** STOP: 0x000000D1 (0xparameter1, 0x00000002, 0x00000000, 0xf27b4e8e)
IRQL_NOT_LESS_OR_EQUAL Ipnat.sys
When you view the system log in Event Viewer, you may notice an event ID 1003 entry with information that is similar to:
Date: date
Source: System
Error Time: time
Category: (102)
Type: Error
Event ID: 1003
User: N/A
Computer: COMPUTER
Description: Error code 000000D1, parameter1 parameter1, parameter2 0x00000002, parameter3 0x00000000, parameter4 0xf27b4e8e. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: 53 79 73 74 65 6d 20 45 System E 0008: 72 72 6f 72 20 20 45 72 rror Er 0010: 72 6f 72 20 63 6f 64 65 ror code 0018: 20 30 30 30 30 30 30 35 00000D1 0020: 30 20 20 50 61 72 61 6d 0 Param 0028: 65 74 65 72 73 20 66 66 eters ff 0030: 66 66 66 66 64 31 2c

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Notes

The symptoms of a Stop error vary according to your computer's system failure options. For additional information about how to configure system failure options, click the following article number to view the article in the Microsoft Knowledge Base:
307973 (http://support.microsoft.com/kb/307973/EN-US/ ) HOW TO: Configure Recovery Options in Windows
The four parameters that are inside the parentheses of the technical information for the Stop error vary according to the computer's configuration.
Not all Stop 0x000000D1 errors are caused by the problem that is described in this article.

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CAUSE

The problem may occur if a user uses IP preservation in a high load Windows Server 2003 SP1 environment. The IP NAT driver may incorrectly process the reset interface request in Windows Server 2003 SP1 .

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RESOLUTION

This update has been superseded by a newer update. For information about the newer update, click the following article number to view the article in the Microsoft Knowledge Base:

931322 (http://support.microsoft.com/kb/931322/ ) Error message on a Windows Server 2003 S931322 or SP2-based computer that is configured to use the Network Address Translation (NAT) functionality: "STOP: 0x000000D1 (parameter1 , 0x00000002, 0x00000000, 0xf27b4e8e)"

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