If you are using the Advanced Open File Option, set those defaults on each physical node the option is installed on, not on the virtual server. Because the default settings for the static volume can be different on each node, Advanced Open File Option defaults do not fail over.
To install additional Backup Exec options
After the installation is complete on the controlling node, use the cluster administrator to move the Backup Exec group to the next appropriate node, and repeat step 2.
To install the Backup Exec Agent for Oracle Server and the Backup Exec Agent for SAP Applications on other nodes, map a drive to the shared disks where Backup Exec is installed on the cluster, and run SETUP.