IBM ts2900 Autoloader not working sequentialy

Hi,

I am experiencing a problem with autoloader IBM ts2900, when perfoming inventory from backup exec it change the slots order.

I tried to configure the logical library mode of the autoloader to sequential with loop and autoload enalbed, after that if I perform inventory on slots the library goes offline.

Any help or suggestions ?

I am using backup exec 2010 R3/windows server 2008 R2