Running Nonnative Applications in Windows 2000 Professional
The MS-DOS environment supports nearly all MS-DOS-based applications. Exceptions are those that make direct hardware calls. It is recommended that you test your applications to ensure that they will work.
MS-DOS-based applications that are known not to work on Windows 2000 are:
Task-switching APIs.
Block-mode device drivers.
Interrupt 2F dealing with DOSKEY program callouts (AX = 4800).
Microsoft CD-ROM Extensions ( mscdex command) functions 2, 3, 4, 5, 8, E, and F.
The Clipboard API ( int 2k and func 17 commands).
16-bit virtual device drivers that require direct access to a hardware component.