Hi,
-- If the changer is not getting recognized properly in Windows device manager, BE also can not detect it!
-- Please have a look at the hardware compatibility list (HCL) at the following link and check the device for its compatibility with Backup Exec software.
http://support.veritas.com/docs/274348
-- If the tape device is compatible, kindly install latest veritas device drivers inorder to configure the tape device:
http://seer.support.veritas.com/docs/278408.htm
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