JSI Tip 2389. Some Windows NT 4.0 files are not deleted after a Windows 2000 Upgrade?

When you upgrade a Windows NT 4.0 installation to Windows 2000, the following files should have been deleted, but were not:

Folder %SystemRoot%

Welcome.exe 

Folder %SystemRoot%\System

Winspool.drv 

Folder %SystemRoot%\System32

Digsig.dll 
Iprop.exe 
Ntlmssps.dll 
Passfilt.dll 
Rpcmqcl.dll 
Rpcmqsvr.dll 
Sfmres.dll 
Shcompui.dll 
Spinit.exe 
Ups.cpl 
Winfile.cnt 
Winfile.exe 
Winfile.hlp

You can safely delete this files.