win2000 adminpak.msi

i am workink whith a w2kpro at work
i tried to install a windows.net adminpak.msi
for my win2000 pro system and it didnt work
trying to get back whith no success i installed the priveuse adminpak,msi for win2000 and installed again the sp2.
nothing in the administrative tools for the network dose work: dhcp mmc active directory
users and computers ts manager and so on
then i tryed the sfc command and it dosent work to
i be happy to get help
dani