pbs_mom Is Not Running On The Node

After Install the torque. I try to restart the pbs service then I check the pbs status.
[root@node2 ~]# /etc/init.d/pbs status
pbs_mom is not running
So Once again I try to restart the service While restarting I didn't get any error message.But it is not starting the pbs service properly.
[root@node2 ~]# /etc/init.d/pbs restart
Restarting PBS
Stopping PBS
Starting PBS
PBS mom

PROBLEM

[root@node2 ~]# /etc/init.d/pbs status
pbs_mom is not running

SOLUTION

ADD the correct host name for /etc/sysconfig/network file
HOSTNAME=compute.rhel5.com
Restart the system then restart pbs service then check it the problem Has been resolved.Error: pbs_mom is not running at the node.