12-12-2007, 03:59 AM
If I understand your problem correctly, you will have to set up the AirPort Express again. You'll have to disconnect from the base station's network before the Airport Utility will recognise the AirPort Express.
Edit: Sorry I originally got "Express" and "Extreme" mixed-up, but I corrected it.
Edit: Sorry I originally got "Express" and "Extreme" mixed-up, but I corrected it.