Apple Mac OS X Server (Upgrading and Migrating For Version 10.4 or Later) - Manual (Page 45)

Chapter 4 Migrating From Mac OS X Server Version 10.3 45
Note: In version 10.4, the default setting of unregistered_only in /etc/nat/
natd.plist.default changed from false to true.
VPN
Restore:
 /Library/Preferences/SystemConfiguration/com.apple.RemoteAccessServers.plist.
 /Library/Keychains/System.keychain
 /etc/racoon/psk.text (if L2TP is set up and psk.text stores the IPsec shared secret; the
shared secret may also be stored in com.apple.RemoteAccessServers.plist or
System.keychain)
Migrate the VPN MPPE Key user by using the vpnaddkeyagentuser command-line tool.
See its man page for usage details.
DNS Configuration
To migrate the DNS configuration:
1 Restore the file /etc/named.conf and the directory /var/named/ and all its contents.
2 In the Terminal application, go to the directory where the DNS migration script resides
cd /System/Library/ServerSetup/MigrationExtras/
3 Run the migration script:
./48_dnsconfigmigrator
DHCP Settings
To migrate the DHCP configuration:
1 Restore the DHCPconfig and Machinesconfig files.
2 In the Terminal application, type:
sudo niload -r /config/dhcp . < DHCPconfig
sudo niload -r /machines . < Machinesconfig
3 Open Server Admin and click DHCP to inspect the DHCP Subnets and Static Bindings to
make sure they are correct.
User Data
Restore saved user data files.
Place home directories in locations that match the locations in the imported user
records. If necessary, you can use Workgroup Manager to edit user accounts so the
locations in the account and on disk are the same.
QuickTime Streaming Server Files and Folders
Follow instructions in the QuickTime Streaming Server administration guide to reuse
files and folders saved from /Library/QuickTimeStreaming/.