Enterprise Grade backup solution for Windows Servers.

It does NOT have the bloat and over-complication of products like Veritas or Arcserve.

It uses ntbackup and exmerge (pst dumps) to backup servers and exchange. Thus your backups are in a standard format and can be viewed on any windows based pc or server.

from their website:

BackupAssist performs automatic, scheduled backups of Windows servers to a variety of backup devices, such as tape, hard drive, REV™ drive CD/DVD, NAS and file. In the event of a server crash or other disaster, files and system state can be restored from the backup media. With thousands of sales in over 70 countries, BackupAssist is fast becoming a major backup software package of choice for businesses, schools and charities.