The user login problem.

[bharani123]

This server is AD integrated server.An particular user is unable to login to a particular server.The users of his same group able to access this server without any problem.From the Windows AD side the account is active.Can you please suggest in this issue.
please find the below details regarding the same.

omcknnm3:/etc/opt/ldapux# pwget -n williamspet
williamspet:*:10008:10007::/home/williamspet:/bin/sh


omcknnm3:/etc/opt/ldapux# nsquery passwd williamspet
Using "files ldap" for the passwd policy.
Searching /etc/passwd for williamspet
williamspet was NOTFOUND
Switch configuration: Allows fallback
Searching ldap for williamspet
User name: williamspet
User Id: 10008
Group Id: 10007
Gecos:
Home Directory: /home/williamspet
Shell: /bin/sh
Switch configuration: Terminates Search

omcknnm3:/home/bharani# pamkrbval -a pa64 -v
Validating the pam configuration files
---------- --- --- ------------- -----
Validating the /etc/pam.conf file
[LOG] : The /etc/pam.conf files permissions are fine
[LOG] : Opened : /etc/pam.conf
[PASS] : The validation of config file: /etc/pam.conf passed
[NOTICE] : The validation of config file: /etc/pam_user.conf is not done
as libpam_updbe library is not configured
Validating the kerberos config file
---------- --- -------- ------ -----
[PASS] : Initialization of kerberos passed
Connecting to default Realm
---------- -- ------- -----
[LOG] : The default realm is : OMCAPJ.ADAPPS.HP.COM
[LOG] : KDC hosts for realm OMCAPJ.ADAPPS.HP.COM :TKIMADCOMC05.OMCAPJ.ADAPPS.HP.COM
[LOG] : Trying to contact KDC for realm OMCAPJ.ADAPPS.HP.COM...
[LOG] : Realm OMCAPJ.ADAPPS.HP.COM is answering ticket requests
[PASS] : Default Realm is issuing tickets
Validating the keytab entry for the host service principal
---------- --- ------ ----- --- --- ---- ------- ---------
[LOG] : Host omcknnm3, aka omcknnm3.omcapj.adapps.hp.com.
[LOG] : The default keytab name is : /etc/krb5.keytab
[WARNING] : Keytab file /etc/krb5.keytab is not present
[IGNORE] : The keytab validation is ignored,assuming success
Validating the rc_host file for ownership
-------- ------ ---- -------- ------ -----
[LOG] : rc_host file /usr/tmp/rc_host_0 is not present on the system
[PASS] :The Validation of rc_host file:/usr/tmp/rc_host_0 is successful