Is there a way to schedule a "Scan" in Backup Exec to find out what tapes are available by barcode? Or do i have to schedule an inventory instead?
You can't schedule a scan in Backup Exec, nor is it available through the bemcmd.exe command line utility. The only other option is to schedule an inventory of the library. To do this, go to the Devices tab and right-click on the library, then go to Schedule and change it to "Run according to schedule".
The problem with doing an inventory versus scan is that it will take a long time and not take advantage of having a barcode reader.