[Samba] Samba Invalid user not working

[updatemyself .]

thanks a lot dear guys...

in my 1st mail itself i written

OS        :- Red Hat Enterprise Linux ES (2.6.9-22.ELsmp)
samba   :- samba-3.0.21b-3  compiled using samba-3.0.21b-3.src.rpm

and i installed following RPM

samba-client-3.0.21b-3
samba-doc-3.0.21b-3
samba-3.0.21b-3
samba-debuginfo-3.0.21b-3
samba-common-3.0.21b-3
samba-swat-3.0.21b-3

i think this is the latest stable SAMBA Version..

Thanks Once again...
regards
jerrynikky.