The GUI for my NetBackup 4.5 MP 5 installation (on Solaris 8) does not permit me to select clients to backup. Under "Backup, Archive, and Restore" I select the Backup Files tab. The Specify NetBackup Machines dialog appears, but the Source client/Policy type and Destination client tabs are grayed out and unselectable. I believe this used to work some time ago, but at some point it ceased to function. Any suggestions would be appreciated.