I have a large network with a small population of Mac workstations. All of them are "managed" through the Apple Workgroup Manager on their OS X server.
the problem is that I have a brand new Mac that needs to be added so that a user can logon to it.
I have added the machine's mac address to the manager listing of macs that it can manage but the mac shows no signs of being managed- ie- prompting for userid/password at logon. It still wants only the local admin to logon.
You have to bind the client Mac to Open Directory. Have a look at the config of other Macs in the Applications/utilities/directory utility and set it up similarly. This will allow it to be managed by the server.