"Personal File Sharing" using Appletalk won't startup

[zynizen]

Running OSX 10.4.7, Based on Apple's article:

http://docs.info.apple.com/article.html?artnum=106658

Start Sharing

1. Place files to share in your Public folder.
2. Choose System Preferences from the Apple menu. See Note 1.
3. Click the Network icon.
4. Choose the port you are going to share on (Built-in Ethernet or AirPort) from the Show pop-up menu. See Note 2.
5. Click the AppleTalk tab.
6. Click the checkbox to select Make AppleTalk Active.
7. Click Apply Now.
8. Click the Show All button in the upper left corner of the window.
9. Click the Sharing icon.
10. In the Computer Name field, type the name you wish to appear on the network for your computer. See Note 3.
11. Click Start in the File Sharing section. For Mac OS X 10.2 and later, select Personal File Sharing.

OK, i've done ALL that, but... it just hangs on "Personal File sharing starting up..." and then when i close out the preferences pane, and go back to the sharing tab, it always reverts to "unchecked".

what am I doing wrong? its a fresh machine., I've got another OSX 10.4.7 machine doing the same thing and I cant seem to share between the two by browsing the network.

And, I cant seem to enter a workgroup name or anything, I dont know where to find it. thanks

thanks for the help