Samba Login issues..

[Prasad, Sreenivasa]

Whenever I try to access my linux samba server from an NT client, I have a
message box w ith the message as below.  

captionos the box -> "Incorrect password or unknown user name for:"

\\<server name>

Connect As -------

Password ----------

Sreenivasa Prasad V. 

My smb.conf file looks simple like ,

[global]
               workgroup = MYGROUP
               server string = Sreenivasa Prasad
               encrypt passwords = yes
               security = server
               password server = Windows_NT_Machine

[share]
               comment = Backup machine
               path = /home/share
               read only = no