[Samba] "map to guest = bad password" not working as expected

Hi all,
=20
I had been trying to use "map to guest =3D bad password" to map =
users
from other domains to guest to allow only guest access. But when I try
to access the samba server from another domain, I get an error saying
that it is not authorized from that machine. I am attaching the
smb.conf. Please let me know if I am doing anything wrong.
=20
[global]
idmap uid =3D 70000-200000
idmap gid =3D 70000-200000
winbind enum users =3D no
winbind enum groups =3D no
winbind cache time =3D 10
winbind use default domain =3D yes
printcap name =3D cups
load printers =3D yes
printing =3D cups
cups options =3D "raw"
force printername =3D yes
lpq cache time =3D 0
log file =3D /local/local1/errorlog/samba.log
max log size =3D 500000
socket options =3D TCP_NODELAY SO_RCVBUF=3D8192 SO_SNDBUF=3D8192
smb ports =3D 50139
local master =3D no
domain master =3D no
preferred master =3D no
dns proxy =3D no
printer admin =3D @printeradmin
client schannel =3D no
guest ok =3D yes
log level =3D 10
workgroup =3D LAB2003DOMAIN
netbios name =3D ODI-MGT-CE1
wins server =3D <server ip>
password server =3D <password server ip>
security =3D domain
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[print$]
path =3D /state/samba/printers
guest ok =3D yes
browseable =3D yes
read only =3D yes
write list =3D @printeradmin
force user =3D root
force group =3D root
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[printers]
comment =3D All Printers
path =3D /local/local1/spool/samba
browseable =3D no
guest ok =3D yes
writable =3D no
printable =3D yes
=20
Thanks,
Guru.
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