I dowloaded from samba.org samba-3.0alpha24..
I refered http://samba.org/~jht/NT4migration/Samba-HOWTO-Collection.pdf 
chapter 31
it also mentioned in the how chapter 31 that it is a rough explanation
but i decided to follow this and started doing things as i explaned below
i looked google and samba mailing lists i did'nt see anything related to 
my problem anywhere
Trying to Migrate from NT4 to Samba but i am unsuccessful in doing that
Either no where it is mentioned what smb.conf parameters to be set..
I started doing this by refering to the above chapter 31
1)Created the BDC account in NT using Server Manager
  According to Howto i have not started Samba
2)
   #rpcclient NT4PDC -U Administrator%password
   rpcclient>lsaquery
   domain WORKGROUP has sid S-1-5-21-2005620710-1318861517-1539857752
   rpcclient>
3)
   #net getsid -S NT4PDC -w WORKGROUP -U Administrator%password
    i get the error getsid not found???
   but i contnued to next step
4)
    #net getlocalsid
    [2003/06/05 13:48:08, 0] utils/net.c:net_getlocalsid(388)
    Can't fetch domain SID for name: PRUTHVI
    i contnued :-( ...by setting local SID to above SID i got using
     #net setlocalsid S-1-5-21-2005620710-1318861517-1539857752
5)
  #net rpc join -S NT4PDC -w WORKGROUP -U Administrator%password
   Joined domain ITERNAL.
In the howto chapter 31 it is not mentioned whether we have to start 
winbindd?? or not???
Anyway i decided to start winbindd
#/etc/init.d/winbind start
Starting Winbind services:	[OK]
and contnued..
#wbinfo -t
checking the trust secret via RPC calls succeeded
6)
#net rpc vampire -S NT4PDC -UAdministrator%password
it printed lot of output on the screen
In that it says it has created users groups of NT
7)
  #pdbedit -L
  idmap uid range defined, non unix accounts enabled
  idmap uid range defined, non unix accounts enabled
build_sam_account: smbpasswd database is corrupt!  username 
Administrator with uid 2147483398 is not in unix passwd database!
build_sam_account: smbpasswd database is corrupt!  username Guest with 
uid 99 is not in unix passwd database!
build_sam_account: smbpasswd database is corrupt!  username NT4PDC$ with 
uid 0 is not in unix passwd database!
build_sam_account: smbpasswd database is corrupt!  username WORKGROUP03$ 
with uid
2 is not in unix passwd database!
build_sam_account: smbpasswd database is corrupt!  username WORKGROUP04 
with uid 4 is not in unix passwd database!
build_sam_account: smbpasswd database is corrupt!  username WORKGROUP10$ 
with uid
6 is not in unix passwd database!
build_sam_account: smbpasswd database is corrupt!  username user1$ with 
uid 7
is not in unix passwd database!
build_sam_account: smbpasswd database is corrupt!  username user1 with 
uid 10
  i really don;t know what this means it is error/success
  According to howto now users are migrated
i have not started samba Yet...
i belive at this point users are not migrated
i don;t want to continue further according to howto.. till i am clear up 
until now everything is fine.
Do i have to start samba now??? so that it will start working or what do 
i have to do now??? what i am missing???
Can any one please help me in this
If you want any further info let me know
with best Regards
YS