Mac OS X Server 10.2: Mac OS 9 Users Can‘t Delete Files or Folders

Mac OS 9 Apple File Service clients may not be able to delete items from a server volume with group write permission.
Symptom

There are two different symptoms:

Solution

To resolve the first symptom, Install Security Update 2003-06-09.

To resolve the second symptom, turn off the "use inherited permissions" option for the shared folder, or follow these steps:
Published Date: Feb 17, 2012