samba - Apr 2007 - Can't conect to share ?

Hi to all here is my problem
i have one very simple share [files]
here is the permissions of directory
fileserver data # ls /home/samba/data/ -la
total 16
drwsrws--x 4 alan acct  4096 Apr  4 04:58 .
drwxr-xr-x 3 alan users 4096 Apr  4 04:55 ..
drwsrws-wx 2 alan acct  4096 Apr  4 04:58 alan
drwsrws-wx 2 ldbl acct  4096 Apr  4 04:58 ldbl
Here is samba version
fileserver data # smbd -V
Version 3.0.24
Here is smb status
Samba version 3.0.24
PID     Username      Group         Machine
-------------------------------------------------------------------
19035   ldbl          acct          nedelchev    (192.168.0.100)

Service      pid     machine       Connected at
-------------------------------------------------------
IPC$         19035   nedelchev     Thu Apr  5 14:07:17 2007

No locked files

and here is mu smb.conf

[global]
workgroup = BTL
show add printer wizard = No
security = USER
log level = 3
[files]
comment = Work area files
path = /home/samba/data/%U
valid users = %S
read only = No

I have group acct and user ldbl
password is set fo user ldbl with passwd and  smbpasswd.
I'm login to samba server without problem with user ldbl .But when i try
to open share files
i must type user name and password again and i can't login.
I fount this in log files

 Got user=[ldbl] domain=[NEDELCHEV] workstation=[NEDELCHEV] len1=24 len2=24
  check_ntlm_password:  Checking password for unmapped user
[NEDELCHEV]\[ldbl]@[NEDELCHEV] with the new password interface
  check_ntlm_password:  mapped user is: [FILESERVER]\[ldbl]@[NEDELCHEV]
  check_ntlm_password: sam authentication for user [ldbl] succeeded
  check_ntlm_password:  authentication for user [ldbl] -> [ldbl] ->
[ldbl] succeeded
  User name: ldbl       Real name:
  UNIX uid 1000 is UNIX user ldbl, and will be vuid 101
  Adding homes service for user 'ldbl' using home directory:
'/home/ldbl'
  nedelchev (192.168.0.100) connect to service IPC$ initially as user
ldbl (uid=1000, gid=440) (pid 19035)
  user 'ldbl' (from session setup) not permitted to access this share
(files)
  user 'ldbl' (from session setup) not permitted to access this share
(files)

Can anybody give me some hint.

Thanks.

> [files]
> comment = Work area files
> path = /home/samba/data/%U
> valid users = %S
> read only = No
You've set valid users to the name of the service, which is files
in this case.

I'm thinking it should be %U.