2 quick questions. KB is down so I couldn't look it up.

Bent 8.0 (3311) on NT 2000 Server . The autoloader all of a sudden has been
giving me Unrecognized media alerts. Thing is,
the just continues to run and finishes successfully. Tried erasing tapes,
relabeling etc...nothing helps.

Second question regards catalogs. I plan to move my backups onto a new server.
Can I transfer my present catalogs over to the new box and how would I do

thanks in advance.