PLZ How Can I migrate?

[CHDH]

hello all,
i'm a computer sciences departement responsable,
i have a local network of about 30 Pc,two shared printers,
no internet connection,i have a Unisys PentuimII server
witch run windows Nt server Edition.
the server consist of all our databses wich is accessed by other Pcs through a windows application.
My question is that :if i want to replace the NT By 2000 server or 2003 server what i must do as changes. and witch is best Nt,2000 or 2003?
My second Question if i want to increase the Ethernet speed from 10Mbits/s to 100 Mbits/s what i must do.
Plz help me.
thank u in advance.

 

[xmsre]

1. If the target is a windows 2003 server, use the MS File Server Migration Toolkit.

2. Replace the NICs. Make sure hubs swicthes can support 100Mbit.