You can install the remote administration tools on your NT Workstation from the \Clients\Srvtools directory of the NT Server CD-ROM, but License Manager is not included. To run License Manager on your NT Workstation, copy:

LLSMGR.EXE
LLSMGR.HLP
LLSRPC.DLL
CCFAPI32.DLL

from the %systemRoot%\System32 directory of your server to the %systemRoot%\System32 directory of your workstation.