Problem migrating to new Mac mini Server from Time Machine Backup

I sell my old Mac mini Server and after I purchase the new one (unibody). I had the Time Machine Backup but I'm not able to restore it to the new mac mini. I started it with the Server Install DVD into it and I went to Utility menu to choose "*Restore from Time Machine backup*" but it said that *it was not possible to restore the backup to this machine because its a different hardware, and suggested to use Migration*. So I restarted it and when it asked me to choose between "setting up a new server" or "transfer information from an existing server" I chose this last. In the next menu didn't appear any Time Machine backups so I mounted the time machine backup and copied the Latest hd backup to an external firewire hd and I connected it to the new one. In the migration menu list appeared my backup but there was a *yellow triangle icon* over it and the message "*Migration is not supported from servers which are configured to use dynamic network addresses. Configure the source system to have a manual network address and try again*". But how can I config a static address into my backup if I can't restore it into a machine? I don't have anymore the old mac mini to restore the backup and make any change in the configuration!
Any one can please help or give me suggestions?
Many thanks