Error: 'C:\WINNT\SYSTEM32\AUTOEXEC.NT. The system file is not suitable for running MS-DOS and Microsoft Windows applications. Choose 'Close' to terminate the application.' when running 'setup.exe' from RSA ACE/Server installation CD on Windows
2 years ago
Originally Published: 2004-11-11
Article Number
000057009
Applies To
RSA ACE/Server 5.2
Microsoft Windows 2000
Microsoft Windows XP
Issue
Error: "C:\WINNT\SYSTEM32\AUTOEXEC.NT. The system file is not suitable for running MS-DOS and Microsoft Windows applications. Choose 'Close' to terminate the application." when running 'setup.exe' from RSA ACE/Server installation CD on Windows
Cause
The file 'AUTOEXEC.NT' is missing in the \winnt\system32 directory
Resolution
To correct this issue, create a file called 'AUTOEXEC.NT' in the \winnt\system32 directory. The file should contain the following entries:

@echo off

REM AUTOEXEC.BAT is not used to initialize the MS-DOS environment.
REM AUTOEXEC.NT is used to initialize the MS-DOS environment unless a
REM different startup file is specified in an application's PIF.

REM Install CD ROM extensions
lh %SystemRoot%\system32\mscdexnt.exe

REM Install network redirector (load before dosx.exe)
lh %SystemRoot%\system32\redir

REM Install DPMI support
lh %SystemRoot%\system32\dosx