The best replacement for backup exec is netbackup.

The best alternatives to backup exec are rated as following:
★★★★★  netbackup
★★★★  system recovery
★★★  commvault
★★★  arcserve
★★★  acronis
★★★  windows backup
★★★  veeam
★★  netvault
★★  appassure
★★  unitrends
★★  retrospect
★  dpm
★  avamar
★  shadowprotect
★  dpm 2012
★  data protector
  ntbackup
  tsm
  brightstor
  net backup
  bacula
  data protection manager

Your alternative for backup exec is not listed? Suggest!
Speaking about backup exec, one probably shouldn't forget about vmware.

Other search terms related to backup exec and their ratings are:
★★★★★ vmware
★★★ data domain
★★★ exchange 2010
★★ qnap
★ rd1000
★ ntbackup
★ cps
★ autoloader
★ netbackup
tape library
You have in mind a companion for backup exec and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of backup exec in all years. Click on graph for more.
backup exec
netbackup
system recovery