Mac OS X Server 10.0: AppleShare Does Not Start When Duplicate Computer Names Exist

Apple File Service (AFP, AppleShare) does not start and does not display an alert to warn you when another computer on the network is already sharing under the same Computer Name.
Symptom


Solution

Each computer sharing files with AppleShare must have a unique Computer Name. The Computer Name field for Mac OS X Server is located in the Server Admin application. For Mac OS 9 and Mac OS X (client), the Computer Name field is located in the Sharing panel.

The exact order of operations required to address this situation in the least number of steps can vary depending on which computer you wish to rename, but these steps cover all situations:
Published Date: Feb 17, 2012