diff smb.conf working & not

[root@linux samba]# diff smb.conf ../samba.3/smb.conf
9a10
> netbios aliases = AMBITER2006
11,12c12
< #auth methods = guest, sam, winbind
< passdb backend = tdbsam
---
> auth methods = guest, sam, winbind
16d15
< log level = 2
18c17
< socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=8192 SO_SNDBUF=8192
---
> socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
25,26c24,25
< # add machine script = /usr/sbin/adduser -n -g machines -c Machine -d /dev/null -s /bin/false %u$
< # logon script = netlogon.bat
---
> add machine script = /usr/sbin/adduser -n -g machines -c Machine -d /dev/null -s /bin/false %u$
> logon script = netlogon.bat
29,33c28
< security = user
< encrypt passwords = yes
< domain logons = yes
< os level = 7
< hosts allow = 127.0.0.1 10.0.0.0/255.255.255.0
---
> os level = 64
35c30
< domain master = No
---
> domain master = Yes