We have 2 testing machines here in the office.
Q: Do you know if we can go from a Windows 2000 server machine and replace it's OS with Win NT 4 Service pack 6a?
I'm searching on Microsoft.com too. I'm trying to use Keywords to search with.
I need to find some more keywords.
My colleague got an error trying to boot with the NT 4.0 CD
1 SYSTEM PROCESSOR 384 MB MEMORY MULTIPROCESSOR KERNEL
***STOP: 0x0000007B ..... INACCESSIBLE_BOOT_DEVICE
CPUID: GenuineIntel 5.8.1 irql:0 SYSVER 0xf00000565
DLL Base DateStmp - Name
Address dword dump Build  - Name
.... . ....
Restart and set the recovery options in the system control panel or the /CRASHDEBUG system start option. If this message reappears contact your system administrator.