TABLE 2: Enterprise Backup Software Features
  ARCserveIT Advanced Edition 6.61 Backup Express 2.1 NetBackup 3.2 NetWorker 5.51 Storage Manager 3.7.1
Backup client deployment tools Yes No Yes No No
Multiplexing No Yes Yes Yes Yes
Open-file support* Yes No Yes No Yes
Client deployment tools Yes No Yes No No
Exchange mailbox backup and restore Yes No Yes No No
Remote Administration Yes Yes Yes Yes Yes
Multihosting** Only with SAN option Yes Yes Yes Only with SAN option
Tape RAID Yes No No No No
Multi-tiered backup*** No No Yes Yes Yes
Windows 2000(Win2K) support available in: Current with download upgrade Current June2000 Current Current
*as part of the base product (some vendors support a third-party add-on that you buy separately)
**lets more than one host share an autochanger or library
***stages backups across devices (e.g., first to disk, then to tape)