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2 Upgrading Mac OS X Server
Version 10.3
Use the instructions in this chapter to upgrade a version
10.3.9 server to version 10.4.
You can upgrade computers with Mac OS X Server version 10.3.9 that don’t require
hard disk reformatting and that have:
 A PowerPC G4 or G5 processor.
 Built-in FireWire.
 At least 512 megabytes (MB) of random access memory (RAM).
 At least 10 gigabytes (GB) of disk space available.
If you want to upgrade a version 10.3.9 server using a Mac OS X Server version 10.4
installation disc that is version 10.4.6 or earlier, the server computer must have a
PowerPC G3, G4, or G5 processor; built-in FireWire; at least 128 MB of RAM (256 MB or
more required for high-demand servers running multiple services); and at least 4 GB of
disk space available.
Understanding What Can Be Reused
When you upgrade from Mac OS X Server version 10.3.9, virtually all existing data and
settings remain available for use, including Macintosh Manager data and all user
passwords.
NetBoot images created using version 10.2 and 10.3 can be reused.
In version 10.4, watchdog has been replaced by launchd. To re-enable automatic
hardware restart, use the Energy Saver pane of System Preferences. To migrate settings
for services you added to /etc/watchdog.conf, create a launchd plist file and install it
into /System/Library/LaunchDaemons/. See the man page for launchd.conf for details.