need help configuring samba for no password

Seems like I mess up every samba configuration I touch! I'm trying to configure samba 3.0.25b for no password. Here's the smb.conf I have:

[global]
netbios name = WEBSERVER
   workgroup = WORKGROUP
   security = share
   hosts allow = 192.168.0. 127.
load printers = no
printcap name = /dev/null
printing = bsd
disable spoolss = yes

guest account = ohprso
   log file = /var/log/samba.%m
   max log size = 50
   passdb backend = tdbsam
   socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
   preferred master = yes
   wins support = yes
   dns proxy = no

[website]
path = /srv/tomcat/webapps/ohprs
public = yes
guest ok = yes
guest only = yes
writeable = yes
browseable= yes
printable = no
create mask = 0660

[xfer]
path = /home/ohprs/xfer
public = yes
guest ok = yes
guest only = yes
writeable = yes
browseable= yes
printable = no
create mask = 0660

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This is a modified version of a smb.conf, with passwords, that worked. Before, I had 'security = user', and 'valid users' in the service sections, and did not have 'guest ok', or 'guest only' in these sections. The previous version worked, but I had to login in with ID and PW.

Now, when I try to map the drive from my XP workstation, I get the error "An extended error has occured." The contents of my /var/log/samba.192.168.0.46 are:

[2012/08/29 12:17:27, 3] smbd/oplock.c:init_oplocks(863)
  init_oplocks: initializing messages.
[2012/08/29 12:17:27, 3] smbd/oplock_linux.c:linux_init_kernel_oplocks(276)
  Linux kernel oplocks enabled
[2012/08/29 12:17:27, 10] lib/util_sock.c:read_smb_length_return_keepalive(623)
  got smb length of 68
[2012/08/29 12:17:27, 3] lib/access.c:check_access(312)
  check_access: no hostnames in host allow/deny list.
[2012/08/29 12:17:27, 2] lib/access.c:check_access(323)
  Allowed connection from  (192.168.0.46)
[2012/08/29 12:17:27, 6] smbd/process.c:process_smb(1067)
  got message type 0x81 of len 0x44
[2012/08/29 12:17:27, 3] smbd/process.c:process_smb(1068)
  Transaction 0 of length 72
[2012/08/29 12:17:27, 2] smbd/reply.c:reply_special(324)
  netbios connect: name1=WEBSERVER       name2=COMMON1
[2012/08/29 12:17:27, 2] smbd/reply.c:reply_special(331)
  netbios connect: local=webserver remote=common1, name type = 0
[2012/08/29 12:17:27, 5] lib/username.c:Get_Pwnam_alloc(131)
  Finding user common1
[2012/08/29 12:17:27, 5] lib/username.c:Get_Pwnam_internals(75)
  Trying _Get_Pwnam(), username as lowercase is common1
[2012/08/29 12:17:27, 5] lib/username.c:Get_Pwnam_internals(93)
  Trying _Get_Pwnam(), username as uppercase is COMMON1
[2012/08/29 12:17:27, 5] lib/username.c:Get_Pwnam_internals(102)
  Checking combinations of 0 uppercase letters in common1
[2012/08/29 12:17:27, 5] lib/username.c:Get_Pwnam_internals(108)
  Get_Pwnam_internals didn't find user [common1]!

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One thing I notice is that it is trying to connect using the username COMMON1, which is the computer name of the XP Workstation I am trying to map from. Why? I have almost this exact same smb.conf in another Linux computer and it appears to use the guest account ID, not the computer name.

My designated guest account: ohprso, is in /etc/passwd and also in the samba password file. I've tried removing 'preferred master' and 'wins support', but that didn't help.


Need help ... again!