I don't think your server is quite ready. Snip of system requirements from 4.1.6 Install Guide.
operating system
Any of the following operating systems:
• Windows® 2000 SP4 Server or Advanced Server
• Windows Server® 2003 or later
• Windows Server 2003 or later (64-bit)
• Windows Server 2003 R2 SP2
• Windows Server 2003 R2 SP2 (64-bit)
messaging server
Any of the following messaging servers installed physically close to where you plan to install the BlackBerry® Enterprise Server:
• Novell® GroupWise® version 6.5 SP7 or later on the NetWare® operating system, the Windows operating system, or the Linux® operating system
• Novell GroupWise version 7.0 SP2 or later on the NetWare operating system, the Windows operating system, or the Linux operating system
Minshall Algorithm
to support messaging, the Minshall Algorithm on the messaging server turned on
Novell GroupWise SOAP API
to support Novell GroupWise version 7.0 SOAP API mode, SOAP over SSL turned on in the POA
messaging client
Any of the following messaging clients installed on the computer that hosts the BlackBerry Enterprise Server:
• Novell GroupWise Client version 6.5 SP7 with the most current Field Test File
• Novell GroupWise Client version 7.0 SP2 or later (7.0 SP3 required for latest fixes)
Link:
BlackBerry - Manuals and Guides