Apple AppleShare IP 5.0 Update - Manual (Page 12)

When you need to know your serial number
Here are some situations in which you need to know your serial number:
m during your initial AppleShare IP setup
m if you have to reinstall your computer’s software due to an unusual software
or hardware problem, such as a hard disk drive failure
m if another computer on your network appears to have the same serial
number as yours and you need to verify which computer has the correct
serial number
Serial number verification and conflict alerts
When the Web & File Server starts up, it checks the network zone in which
your computer resides for other computers using the same serial number as
the one registered on your computer. If no matching serial number is found,
your serial number is encrypted and registered on the network. If the Web &
File Server detects a matching serial number, it displays a message that a
duplicate serial number has been found on the network. When you click OK,
the Web & File Server program quits.
Your computer may detect a duplicate serial number on the network because
m an administrator has typed the wrong number during setup
m an administrator made a copy of an existing computer’s software on
another computer but did not type the new serial number for it
m someone copied the software in violation of the license agreement
296 Appendix B / Serial Number Verification and Conflict Resolution