You may suffer issues when attempting to login to the Oracle VM Console i.e. http://<host>:port/ovm/console. May receive an error such as :-
“Unexpected error during login (com.oracle.ovm.mgr.api.exception.FailedOperationException: OVMAPI_6000E Internal Error: Connection refused Connection refused Tue Nov 15 17:20:22 PST 2011), please consult logs for details.
This is generally caused by the OVS user account on the VM Manager meta database becoming expired or locked. Reset the account, then restart the ovs process
For example, to start Oracle VM Manager:
# /sbin/service ovmm start
To stop Oracle VM Manager:
# /sbin/service ovmm stop
To check the status of Oracle VM Manager:
# /sbin/service ovmm status