Question
How do I add an additional primary lookup key?  How do I change the primary lookup key in GSS?

Answer
They can be selected from the Options menu inside of the Win32 GSS Console.

1. Open the GSS Console.
2. Select "Tools" from the menu bar.
3. Select "Options..." from the Tools menu bar.
4. Click on the "Global" tab.
5. Check the desired additional primary look up key box near the bottom of the Program Options dialog box.  Note.  The "MAC address" can stay selected as well if desired.
6. Click OK.