Supported operating systems:
- Microsoft® Windows® NT 4.0 Server
- Microsoft Windows Server 2000
- Microsoft Windows Server 2003
- Microsoft Windows Server 2008
Mail Server:
- Microsoft Exchange Server 5.5 SP3, SP4
- Microsoft Exchange Server 2000 SP1, SP2
- Microsoft Exchange Server 2003
- Microsoft Exchange Server 2007
Hardware requrements:
- 30MB free disk space
- 32MB RAM additional to minimum system requirements
- Minimum hardware requirements same as minimum system requirements of installed OS version
