This patch is only for Backup Exec for Windows Severs 12 and can only be applied to Build 12.0.1364
The April 15th Device Driver Install (DDI) is now available for Backup Exec 12. This update aligns device support between Backup Exec 11d and Backup Exec 12.
Details on issues addressed by the April 15th can be found here: http://seer.entsupport.symantec.com/docs/302923.htm
For a full list of devices supported by Backup Exec 12 please see the Hardware compatibility list which can be found at the following location: http://ftp.support.veritas.com/pub/support/products/Backup_Exec_for_WindowsNT/294294.pdf.
The April 15th DDI Can be Download from the following Links:
32-bit Download: http://seer.entsupport.symantec.com/docs/302874.htm
64-bit Download: http://seer.entsupport.symantec.com/docs/302875.htm