samba - May 2004 - samba replacement of windows 2000 advance server

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HI,

I am new to samba world... i having windows 200 adv server as domain with many
policies on computers which are in domain like desktop policy user can not
change there desktop tcpip proerties etc... is it possible to do the same in
samba??? or any other unis server.... if yes please guide me with document....


Thanks in advance

Regards