There are two methods for reconfiguring Mac OS 8.5 for internet access without using the Internet Setup Assistant; re-enter the information from scratch, or export your current configurations and import them back in after the Mac OS 8.5 install.
The following steps will guide you through exporting your current configurations and importing them back in after you upgrade.
2. Select Configurations from the File menu, or use the Command-K key command to open the Configurations window.
3. Select a configuration you wish to export then click the Export button, this will save the configuration to the folder of your choice. Do this for each configuration you wish to export.
4. Close both the Configuration window and the TCP/IP control panel.
5. Do the same with your AppleTalk control panel if you have different configurations.
6. Install Mac OS 8.5 without the Internet Setup Assistant.
7. After restarting, open the TCP/IP control panel and then the Configurations window.
8. Select Import and navigate to the folder containing the configurations you just exported.
9. Import each configuration, select the one you want to be active, then close the Configuration window.