Datadomain AD cifs user access problem

Hi,

using dd160 version 5.2.1.0-331816

already setting up AD ..also create share correctly

i added client with ip ...

adding user user@domain.com 

domain\user

user@domain.local .

...i try to access from windows server ..but doesnt work keep asking credential

here is some more info :

sysadmin@dd160# cifs share show

Shares information for: all shares

--------------- share backup ---------------

browsing: yes

clients: *

clients: 192.168.0.241

clients: comutername

clients: computername.domain.local

enabled: yes

maxconn: 0

path: /data/col1/backup

users: administrator@domain.com

users: administrator@domain.local

users: sysadmin

users: domain.local\administrator

users: domain\administrator

writeable: yes

----------------------------------------------------------------------------------------------------------------------------------------------

sysadmin@dd160# cifs troubleshooting user administrator@domain.local

--------------------   -----------------------------------------------

User                   domain\administrator

User ID                10500

SID                    S-1-5-21-1907468744-3530663430-491165133-500

Group                  domain\domain users

Group ID               10513

id                     uid=10500(domain\administrator) group=10513(domain\domain users) groups=11348(domain\smsmse admins), 10519(domain\enterprise admins), 10518(domain\schema admins), 50(admin), 10512(domain\domain admins), 10520(domain\group policy creator owners), 60000544(BUILTIN\Administrators), 60001820(dd160\dd_admin_group1), 11104(domain\organization management), 11204(domain\planlama2), 11155(domain\epo user group)

--------------------   -----------------------------------------------