Question : Problem: Replacement drive "unknown" to Backup Exec after installation

The drive is a Quantum SDLT320 SCSI Sequential Device.  The original drive got a tape stuck in it and had to be replaced.  The new drive is listed in Device Manager correctly.  Before the replacement installation, the backup admin deleted the drive without disabling it first in the BE devices tab.  Now, after replacement drive installation, the drive is not displayed at all in the devices tab.  When running the Device Configuration Wizard, it seems to detect and allow Veritas drivers to be installed for the drive, but still identifies the drive as and it will still not appear at all in the devices tab.  The slots of the library still displays, but no drive...

Answer : Problem: Replacement drive "unknown" to Backup Exec after installation

Solution:
1. Start the Computer Management tool, double-click "Services and
>> Applications", and then click Services.
>> 2. Locate and change the startup type from Automatic to Disabled), and
>> then
>> restart the computer.
>> 3. Start Windows Explorer, open the %SystemRoot%\System32\Ntmsdata
>> folder,
>> and then rename the existing files in this folder so that they have an
>> old file extension, or copy the files to a different folder.
>> 4. Restart the Removable Storage service (or change the startup type from
>> Disabled to Automatic), and then restart the computer.