Microsoft Exchange Server 5.5SP4
Microsoft Exchange Server 5.5SP3
Microsoft Exchange Server 5.5SP2
Microsoft Exchange Server 5.5SP1
Microsoft Exchange Server 5.5
- Microsoft BackOffice 4.5
- Microsoft Windows 2000
- Microsoft Windows 2000 SP1
- Microsoft Windows 2000 SP2
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0SP1
- Microsoft Windows NT 4.0SP2
- Microsoft Windows NT 4.0SP3
- Microsoft Windows NT 4.0SP4
- Microsoft Windows NT 4.0SP5
- Microsoft Windows NT 4.0SP6
- Microsoft Windows NT 4.0SP6a