Backup Exec 2010 R3 not recognizing new tape library

I just bought a Oracle StorageTek SL150, and connected it to a Windows 2003 server (backup exec is alo installed on this server). I ran the configure devices assistant on Backup Exec, and Rebooted the server. Windows now recognizes the tape drive as Hewlett Packard LTO Ultrium-5 Drive, but when I click on the devices tab in Backup Exec I see Quantum 001 (which is our old drive, I'm not going to take it out until the new one is fully configured) and I see Missing 001. I think that the Missing 001 is the new drive, but it looks like backup exec isn't recognizing it. Any Ideas?

Thanks.