User`s guide

Chapter 1 Installation and Setup Overview 23
Upgrading and Migrating
If you’re currently using a pre-10.4 version of Mac OS X Server and you want to reuse
data and settings, you can upgrade or migrate to version 10.4.
If you’re using Mac OS X Server version 10.3.9 or 10.2.8 and you don’t need to move to
different computer hardware, you can perform an upgrade installation. Upgrading is
simple because it preserves your existing settings and data. You can perform an
upgrade installation using any of the installation scenarios described in the following
sections.
If you can’t perform an upgrade installation, as when you need to reformat the system
disk or upgrade your server hardware, you can migrate data and settings to a
computer onto which you’ve installed Mac OS X Server version 10.4. Migration from
Mac OS X Server versions 10.3.9, 10.2.8, 10.1.4, 10.1.5, and 1.2; and from AppleShare IP
version 6.3.3 are supported.
The upgrading and migrating guide provides complete instructions for reusing data
and settings in both these scenarios.
Note: You can’t update to a later 10.4 version by using a Mac OS X Server installation
disc. For example, you can’t use an installation DVD for version 10.4.7 to update an
earlier version. To learn how to update to the latest version, see “Keeping Current” on
page 38.