KB1842: Tape library and drives are shown ... - Veeam Software
https://www.veeam.com/kb184205.12.2013 · Line 2: Connect to the Tape Server where the Tape Library and Drives are attached. Open an Administrative Command Prompt. Change directory to a temporary folder (e.g., cd C:\Temp\) Run the following command to dump information from the Veeam Tape Service. The command will complete silently, leaving in the folder a file named "dumpinformation.xml".