WINNT32.EXE supported numerous switches for unattended and customized deployments. Key examples include:

Windows 2000 Professional and Server refined WINNT32 significantly. It became the tool of choice for unattended installations via unattend.txt (the answer file). The parameter set expanded to include /syspart , /tempdrive , and /makelocalsource , reflecting enterprise needs.

Runs a compatibility check to see if the current system can be upgraded without actually performing the installation. Installs the Recovery Console