most of the time, if you do the Right Click\Eject, backup exec is smart enought to know that the old tape is no longer there, but if you use the button on the tape drive, it has no way of knowing
I just trained myself long ago (on v6.11/7.0, I'm dating myself, now, right?
![Smiley Very Happy Smiley Very Happy](/i/smilies/16x16_smiley-very-happy.png)
) to always inventory after swapping tapes, and I've never had any problems