Domain Authentication

Hello,I imported all of our AD user accounts but users can't log on with their domain account.

[17:19:30:832]|[03-23-2015]|[com.adventnet.servicedesk.authentication.internal.SDRelationalLoginModule]|[INFO]|[35]|: User Domain Mapping Status Inside SSOUtil ---- true|

[17:19:30:832]|[03-23-2015]|[SYSOUT]|[INFO]|[35]|: sso_Login_Status----->false|

[17:19:30:832]|[03-23-2015]|[com.adventnet.servicedesk.authentication.internal.SDRelationalLoginModule]|[INFO]|[35]|: Inside sdrelational login module and logonDomainName is oceanpact.local, domain name is OCEANPACT.LOCAL|

[17:19:30:941]|[03-23-2015]|[com.adventnet.servicedesk.authentication.internal.SDRelationalLoginModule]|[INFO]|[35]|: ServerName For Authentication : ocp-dc-002.oceanpact.local|

[17:19:30:941]|[03-23-2015]|[com.adventnet.servicedesk.authentication.internal.SDRelationalLoginModule]|[INFO]|[35]|: DomainName For Authentication : OCEANPACT.LOCAL|

[17:19:30:941]|[03-23-2015]|[com.adventnet.servicedesk.authentication.internal.SDRelationalLoginModule]|[INFO]|[35]|: Login Name For Authentication : roberto.oliveira|

[17:19:31:379]|[03-23-2015]|[com.adventnet.servicedesk.utils.ADAuthenticationUtil]|[INFO]|[35]|: Authentication Log Message : roberto.oliveira - AuthenticateUser : ADsOpenObject O/p (0x0)|

[17:19:31:488]|[03-23-2015]|[com.adventnet.authentication.PAM]|[WARNING]|[35]|: NoSuchUserAccountException occured with message : No account to access this service|

[17:19:31:488]|[03-23-2015]|[com.adventnet.servicedesk.setup.util.SSOUtil]|[INFO]|[35]|: User Or Domain Is Empty inside SSOUtil|

[17:19:31:488]|[03-23-2015]|[com.adventnet.servicedesk.setup.util.LDAPUtil]|[INFO]|[35]|: IsLDAPAuthentication Result : false|