"Stop 0x1E" Message Reinstalling Windows NT with SP3 and RAS

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This article was previously published under Q162205

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SYMPTOMS

When you reinstall Windows NT 4.0 over an existing Windows NT 4.0 installation with Remote Access Service (RAS), or when you install RAS for the first time, you may experience either of the following symptoms:

Your computer reboots repeatedly.
You receive the following error message:

STOP: 0x0000001E (0xC0000005, 0xFF1BBD79, 0x00000000, 0x00000038)
KMODE_EXCEPTION_NOT_HANDLED Address ff1bbd79 has base at ff1ae000 - tcpip.sys

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CAUSE

This behavior occurs when Windows NT 4.0 Service Pack 2 or Service Pack 3 is installed. The Tcpip.sys file that is installed by the service pack is not replaced with the original Tcpip.sys file from the Windows NT 4.0 CD- ROM when you reinstall Windows NT or install RAS for the first time.

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RESOLUTION

Use one of the following methods to resolve this issue:

If you have not logged into your computer, choose the Last Known Good option at boot. Then remove RAS, reinstall RAS, and reapply the latest Service Pack. Perform all of these steps without rebooting.

-or-
Replace the Tcpip.sys file installed by the service pack with the original version of the file included on the Windows NT 4.0 CD-ROM. To do so, use one of the following methods, and then reinstall the latest version of the service pack.
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Method 1
If you have access to another computer with Windows NT 4.0 without Windows NT 4.0 Service Pack 2 or Service Pack 3 installed, copy the Tcpip.sys file from the %SystemRoot%\system32\drivers folder on the other computer to the corresponding folder on your computer, and then restart your computer.

NOTE: To use this method, Windows NT must be installed on a FAT partition and you must be able to access your hard disk using MS-DOS, Windows 95, or a boot disk.
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Method 2
If you can dual-boot Windows NT and Windows 95 on your computer, follow these steps:
1. Start Windows 95.
2. From a command prompt in Windows 95, expand the Tcpip.sys file from the I386 folder on the Windows NT 4.0 CD-ROM to the %SystemRoot%\system32\drivers folder of your original Windows NT installation. For example, type the following command:
  
  expand tcpip.sy_ %systemroot%\system32\drivers\tcpip.sys
  
  NOTE: To properly expand files from the Windows NT CD-ROM, you must use the Expand.exe utility included with Windows NT. The Windows NT Expand.exe utility can only be run from a command prompt in a 32-bit environment such as Microsoft Windows 95 or Windows NT.
3. Restart your computer and start Windows NT.
NOTE: To use this method, Windows NT must be installed on a FAT partition.
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Method 3
1. Install Windows NT to a different folder on your hard drive.
2. Copy the Tcpip.sys file from the %SystemRoot%\system32\drivers folder in the new Windows NT installation to the corresponding folder in the original installation.
3. Restart your computer to the original Windows NT installation.
4. Remove the temporary Windows NT installation, and then delete any entries in the Boot.ini file that are entered for that installation.

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MORE INFORMATION

The Tcpip.sys file provided on the Windows NT 4.0 CD-ROM in the %SystemRoot%\system32\drivers folder has the following attributes when it is expanded:

   Date     Time      Size      Drive type
   ---------------------------------------
   8/2/96   12:30am   133,424   FAT
   8/1/96    4:30am   133,424   NTFS

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