Windows Event Viewer ログに、次のようなエラーが記録される。
An unrecoverable problem has occurred, stopping the VMware VirtualCenter service. Error: Error[VdbODBCError] (-1) "ODBC error: (23000) - [Oracle][ODBC][Ora]ORA-00001: unique constraint (VMWARE_VC.PK_VPX_TASK) violated" is returned when executing SQL statement "INSERT INTO VPX_TASK (TASK_ID, NAME, DESCRIPTIONID, ENTITY_ID, ENTITY_TYPE, ENTITY_NAME, LOCKED_DATA, COMPLETE_STATE, CANCELLED, CANCELLABLE, ERROR_DATA, RESULT_DATA, REASON_DATA, QUEUE_TIME, EVENT_CHAIN_ID, USERNAME, VM_ID, HOST_ID, COMPUTERESOURCE_ID, DATACENTER_ID) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"