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I have acquired an Airport Extreme from a friend, and I am essentially using it as a switch for the various network devices in my room. It repeats my home network (via the homeplug system I have set up in my house) to all the devices attached to it by ethernet. I plugged the Extreme in and it basically worked straight away, all my devices can connect to the internet. However there are some settings I would like to tinker with (I don't need a wireless network for instance, plus the flashing amber light is really annoying) and this is where my problem lies.

When I go into the Airport Utility on my Windows 7 PC, I can see the Extreme, but I can't access it. I get a

There was an error in accessing your wireless device. Check that your network connection is valid and try again

error, with a -4 error code.

This seems like a fiarly common problem after a little Googling, but none of the solutions online have worked for me. I have tried:

  • Setting a fixed (not auto) channel on my router
  • Hard reset on Extreme
  • Selecting Configure Other in AU, and entering the default values (this gives me the same error but with a 6753 error code)
  • Connecting wirelessly and wired to the Extreme
  • IPV6 is enabled on my machine (as far as I can tell)

I've run out of ideas. Anyone know how to solve this? It's not a major issue but I'm not one to leave things half done.

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