Winnt32.exe
WINNT32.EXE — Quick technical guide
What it is
WINNT32.EXE is the 32-bit Windows setup executable used to start a Windows installation or upgrade from a running 32-bit Windows environment (commonly used by Windows 95/98/ME users to launch Windows 2000/XP setups). It copies setup files, checks hardware/OS compatibility, and initiates the graphical/text-mode installation phases.
Scenario C: Unattended Installation
To install Windows on 50 identical computers without clicking "Next" 50 times, an admin would use:
Compatibility: 5/10
: It can be executed on computers running Windows 95, 98, Me, NT 4.0, 2000, XP, and Server 2003. Installation Source : It is typically located in the directory (for 32-bit x86 systems) or the directories on the installation media. Primary Tasks Verifying hardware and software compatibility. Copying temporary setup files to a local drive (the $WIN_NT$.~LS $WIN_NT$.~BT
Boot Disk Creation: It could be used to create a set of setup boot floppies using switches like /O (to create the disks) or /OX (to create disks for CD-ROM installation). Common Command-Line Switches WINNT32.EXE
Further Reading & Resources
- Microsoft KB 238135: "How to Perform an Unattended Installation of Windows 2000"
- Microsoft KB 259151: "WINNT32 Command-Line Switches for Windows 2000"
- Archive.org: Windows NT 4.0 Workstation Resource Kit (Chapter 8: Deployment)
- Legacy update: "Hack: Slipstreaming Windows 2000 SP4 into I386 folder"
Are you trying to run an unattended install for a legacy VM, or just curious about the old-school command switches? Driver Installation During Windows Setup - OSR Online
Key Parameters
| Switch | Function |
|--------|----------|
| /s:sourcepath | Specify I386 source location (e.g., D:\I386) |
| /tempdrive:X | Set drive for temporary setup files |
| /unattend | Unattended upgrade (uses existing settings) |
| /unattend:answerfile | Full unattended install using answer file (e.g., unattend.txt) |
| /makelocalsource | Copy setup files to local hard drive |
| /noreboot | Don't reboot after text-mode copy phase |
| /debug:level | Create debug log (0=none, 2=normal, 4=verbose) | WINNT32
Understanding WINNT32.EXE: The Gateway to Classic Windows Deployment